2175 West Park Place Blvd., Stone Mountain, GA 30087 www.adpnow.com
PS-UHPX-06 Effective: November 2019
Unit Heater Accessories & Replacement Parts
Parts Sheet
Contents .............................................................................. Pa Page
CUH Unit Heater............................................................................. 2
FSA Unit Heater ............................................................................. 4
SEP Unit Heater
SEP 60 – 145 ...................................................................... 6
SEP 175 – 290 .................................................................. 10
SEP 300 – 400 .................................................................. 14
HED Duct Furnace
HED 75 – 150 ................................................................... 18
HED 200 – 300 ................................................................. 20
FOA Unit Heater ........................................................................... 22
UHRS Unit Heater ........................................................................ 26
UHCM Unit Heater ........................................................................ 27
FOA Venting Guidelines ............................................................... 27
SEP, HED, FSA Venting Guidelines ............................................. 28
Fuel Conversion Kits – LP and NG .......................................... 30-31
CUH
CUH UNIT HEATER
1 2 3 4 5 1 2 3 4 5 1 2 1 2
1176777500 X X
76722700 X X X X2
176738700 X X76714900 X X X X
376738800 X X76715000 X X X X
476791000
1767002425
176740200176739900
676717500
676714600
28Straight thread 176717200 4 5
Tapered thread 76724000 2 3 4 528
Straight thread 176712200 4 5Tapered thread 76723700 2 3 4 5
Not Shown76715100
Not Shown176722900 X X X X
7
767392008
7673970010
17677730076777400
1176715500
1276739500
13176773700176773800
ELECTRODE/SPARK IGNITOR
PART NUMBERDESCRIPTION
CUH60
ORIFICE (NAT)
DRAWING NUMBER
2
X XX
X X
X
X
X
CUH30
X
CUH45
FAN MOTOR (BLOWER MOTOR)
FLAME ROLLOUT SWITCH
GAS VALVE (LP)
CUH75
X
ELECTRODE/FLAME SENSOR
GAS VALVE (NAT)
X
X
CONTROL BOARD
BURNER
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
X X
X
X X
X
X
X
X XX
X
2
X
IGNITION LEAD (WIRE, CABLE)
3
2 3
2
Wiring Harness
ORIFICE (LP)
X
X X X
X
X
X X X
X
X X X
X XLIMIT SWITCH
PRESSURE SWITCH
TRANSFORMER
5
X XX X
BURNER BOX2 3 4
2
CUH UNIT HEATER
1 2 3 4 5 1 2 3 4 5 1 2 1 2PART
NUMBERDESCRIPTIONCUH60DRAWING
NUMBERCUH30 CUH45 CUH75
15176739100176739600176740000176701184
16176739000176740100
17176737800176735000
19176740400176741200176741900
20176739300176740300
21176700314176781500176784000176768700
22176708800
2376713500
24176741100
25176773900 X176774000 X176774100 X * X176774200 X * X
26176750900
27176750800
29176740500176758900
30176750700176758800
31176750600176758100
32176750400176758700
PANEL, FRONT
XX
X
XFAN BLADE
FLUE ADAPTER
FLUE BOX
X XX
FLUE BOX GASKET
X XFAN GUARD
X XX X
X X XX
X X
X XX X
X X
PANEL, SIDE
WRAPPER, CABINET
PANEL, ACCESS
MOUNTING BRACKET, FRONT
XX X
X
X X
X X X X
4 6 64LOUVER VANE (BEIGE)
MANIFOLD
MOUNTING BRACKET, BACK
X X
6 644
X *X *
* For these models, you also need to order tapered thread orifices.(All new manifolds have tapered threads and will not fit with older orifices having straight threads).
X X
X
X XX
X
LOUVER SPRING
HEAT EXCHANGER
INDUCED DRAFT GASKET
X X
X
X
XX
X
X
3
FSA
FSA UNIT HEATERDRAWING NUMBER DESCRIPTION PART
NUMBER FSA30 FSA45 FSA60 FSA75
176722700
276714900
376715000
476791000 X X
176700242 X X5
176740200 2 2176739900 X X
676717500
676714600
2876724000 2 3 4 5
2876723700 2 3 4 5
Not Shown76715100
7
767392008
7673970010
176777300 X176777400 X X X
1176715500
1276739500 2 3 4 5
13176773700 X X176773800 X X
ELECTRODE/FLAME SENSOR
CONTROL BOARD X
ELECTRODE/SPARK IGNITER X
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
XFAN MOTOR (BLOWER MOTOR)
FLAME ROLLOUT SWITCH
GAS VALVE (LP) X
GAS VALVE (NAT) X
ORIFICE (LP)
ORIFICE (NAT)
IGNITION LEAD X
XLIMIT SWITCH
XPRESSURE SWITCH
TRANSFORMER X
BURNER
BURNER BOX
4
FSA UNIT HEATERDRAWING NUMBER DESCRIPTION PART
NUMBER FSA30 FSA45 FSA60 FSA75
15176739100 X176739600 X176740000 X176701184 X
16176739000 X X176740100 X X
17176737800 X X176735000 X X
19176740400 X X176741200 X176741900 X
20176739300 X X176740300 X X
21176700314 X176781500 X176784000 X176768700 X
22176708800 X X X X
2376713500 4 4 6 6
24176741100 4 4 6 6
25176773900 X176774000 X176774100 X176774200 X
26176750900
27176750800
29176740500 X X176758900 X X
30176750700 X X176758800 X X
31176750600 X X176758100 X X
32176750400 X X176758700 X X
Not Shown176738500
Not Shown176722900 X X
FLUE BOX
FAN BLADE
FAN GUARD
FLUE ADAPTER
PANEL, FRONT
FLUE BOX GASKET
HEAT EXCHANGER
INDUCED DRAFT GASKET
LOUVER SPRING
LOUVER VANE (BEIGE)
MANIFOLD
MOUNTING BRACKET, BACK X
MOUNTING BRACKET, FRONT X
PANEL, ACCESS
PANEL, SIDE
WRAPPER, CABINET
FLAME SENSOR WIRE X
WIRE HARNESS
5
SEP
SEP UNIT HEATER SEP 60 - 145DRAWING NUMBER DESCRIPTION PART
NUMBERSEP100
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 50 1 0 1 0 1 0 1
1 CONTROL BOARD100000240176777500
76722700 X X X X X2
76714900 X3
76715000 X4
76714500 X6
76717500 X176717600
676714600 X76714800
28Straight thread 176712300
Tapered thread 76723000 4 5Straight thread 176712200
Tapered thread 76723700 4 6Straight thread 176712400
Tapered thread 76723400 4Tapered thread 76723600
28Straight thread 176717200
Tapered thread 76724000 4 6Tapered thread 176723500 4Straight thread 76717300
Tapered thread 76723100 4 5Straight thread 176717400
Tapered thread 176723300
X X X X
SEP60
SEP90
SEP115
SEP145
ALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
X
X X X X
X
ELECTRODE/SPARK IGNITER
ELECTRODE/FLAME SENSOR
XX
X X
X X X X
X X X XFAN MOTOR (BLOWER MOTOR)
X X
X X X X
GAS VALVE (LP)
GAS VALVE (NAT)
ORIFICE (NAT)
ORIFICE (LP)
4 6
4 5
4 6
4 5
6
SEP UNIT HEATER SEP 60 - 145DRAWING NUMBER DESCRIPTION PART
NUMBERSEP100
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 50 1 0 1 0 1 0 1
SEP60
SEP90
SEP115
SEP145
ALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
7
76746100 X X76714300A
7673840076714200 X
8176716600
76716400 X176716700176716500
9176717100
10176776900176777000176777100 X176777200176777300 X
1176715500 X
127671120076711300 4
15176710700176776400 X
16176711000176711100 X
171 76735000
76708500 X7670860076708700
19176709100176709000176718900 X176709200176719100 X176709300176721300176709400176709500176736600176709600176736700176709700176709800176709900
X X
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
X X X XLIMIT SWITCH
AUXILIARY LIMIT (ROLLOUT)
X X X X
PRESSURE SWITCH
TRANSFORMER
X XX
X XX
BURNERX X X X
X XFAN BLADE
4 64 5
X XX X
X XFAN MOTOR MOUNT / GUARD
X XX
X
XX X
X
X
X
FLUE ADAPTER
FLUE BOX
7
SEP UNIT HEATER SEP 60 - 145DRAWING NUMBER DESCRIPTION PART
NUMBERSEP100
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 50 1 0 1 0 1 0 1
SEP60
SEP90
SEP115
SEP145
ALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
20176710000176710100 X176710200176710300
22176708800 X176708900
Not Shown176742001 X
21176707300176707400176707500 X176707600176707700176707800176707900176708000
21176711400176711500176711600 X176711700176708100176708200176711900176708300
2376713500 7
24176713100176713200 7176713300176713400
25176724800 X176724700 X176724400 X X176724500 X176724600176724100176724200176724300
X X
7 77 7
Xn/a
X
LOUVER SPRING
XHEAT EXCHANGER (STAINLESS)
n/aX
X
X
LOUVER VANE, BEIGE7 77 7
HEAT EXCHANGER (ALUMINIZED)X X X X
MANIFOLDX *
X *X *
X *
* For these models, you also need to order tapered thread orifices.(All new manifolds have tapered threads and will not fit with older orifices having straight threads).
SILICONE TUBING
X X X XINDUCED DRAFT MOTOR GASKET
X X
FLUE BOX GASKET
8
SEP UNIT HEATER SEP 60 - 145DRAWING NUMBER DESCRIPTION PART
NUMBERSEP100
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 50 1 0 1 0 1 0 1
SEP60
SEP90
SEP115
SEP145
ALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
29176712600 X
33176712500 X
34176712700176712800 X176712900176713000
35176710400 4
36176710500 X176710600
37176714100
38176701000176700900 X176701100176700800
39176701500176701300 X176701400176701200
40176701900176702100 X176702000
41176701600176701800 X176701800
42176717800 4
43176717900 X
Not Shown100002477
Not Shown76717700 X
Not Shown100000546
76715100 X76715200
Not Shown100000547100000548176738500 X X X X X176738600
Not Shown176722900 X X X X X176717000176722800
CONTROL BOX COVER
CONTROL BOX
X XDRIP SHIELD
X X X X
X X X X
X X
X X
4 5
XX
PANEL, RIGHT SIDE (viewed from rear)
X XX X
X X
XX X
IGNITION WIRE
FLUE BAFFLE
FLUE BAFFLE BRACKET
LOUVER BRACKET
PANEL, TOP
PANEL, BOTTOM
PANEL, LEFT SIDE ( viewed from rear)
X
TURBULATOR FOR NOX
TURBULATOR RETAINER
X X
WIRING HARNESS
X X X X
X X XX
X XFAN TIMER
4 5
FLAME SENSOR WIRE
X XX
GAS PRESSURE SWITCH
X X X X
X X X
X
9
SEP
SEP UNIT HEATER DRAWING NUMBER DESCRIPTION PART
NUMBER
1 CONTROL BOARD100000240176777500
767227002
767149003
767150004
767145006
76717500176717600
67671460076714800
28Straight thread 176712300
Tapered thread 76723000Straight thread 176712200
Tapered thread 76723700Straight thread 176712400
Tapered thread 76723400Tapered thread 76723600
28Straight thread 176717200
Tapered thread 76724000Tapered thread 176723500Straight thread 76717300
Tapered thread 76723100Straight thread 176717400
Tapered thread 176723300
ALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
ELECTRODE/SPARK IGNITER
ELECTRODE/FLAME SENSOR
FAN MOTOR (BLOWER MOTOR)
GAS VALVE (LP)
GAS VALVE (NAT)
ORIFICE (NAT)
ORIFICE (LP)
SEP 175 - 290SEP250
1 2 3 4 5 1 2 3 1 2 3 4 5 1 2 3 4 50 1 1 2 3 0 1 0 1
X X X X X
X
X
2
X
X
6 8 10
106
10
6 8 10
6
SEP290
X XX
SEP230
SEP175
SEP200
X
X
X
X X
X
X X
X X
X X
X
X X
X X
2 2
X X
X
X X
6
6 8 10
6
106 8
10
SEP UNIT HEATER DRAWING NUMBER DESCRIPTION PART
NUMBERALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
7
7674610076714300A
7673840076714200
8176716600
76716400176716700176716500
9176717100
10176776900176777000176777100176777200176777300
1176715500
127671120076711300
15176710700176776400
16176711000176711100
171 76735000
767085007670860076708700
19176709100176709000176718900176709200176719100176709300176721300176709400176709500176736600176709600176736700176709700176709800176709900
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
LIMIT SWITCH
AUXILIARY LIMIT (ROLLOUT)
PRESSURE SWITCH
TRANSFORMER
BURNER
FAN BLADE
FAN MOTOR MOUNT / GUARD
FLUE ADAPTER
FLUE BOX
SEP 175 - 290SEP250
1 2 3 4 5 1 2 3 1 2 3 4 5 1 2 3 4 50 1 1 2 3 0 1 0 1
SEP290
SEP230
SEP175
SEP200
X
X X X X
X
X
X
10
X
2
X
X
X X
X
X X X X
X
XX
X X X X
X
X X
8 106
6
X X X X
X X 2 2
X X X X
X X X X
XX
X
X
11
SEP UNIT HEATER DRAWING NUMBER DESCRIPTION PART
NUMBERALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
20176710000176710100176710200176710300
22176708800176708900
Not Shown176742001
21176707300176707400176707500176707600176707700176707800176707900176708000
21176711400176711500176711600176711700176708100176708200176711900176708300
2376713500
24176713100176713200176713300176713400
25176724800176724700176724400176724500176724600176724100176724200176724300
LOUVER SPRING
HEAT EXCHANGER (STAINLESS)
LOUVER VANE, BEIGE
HEAT EXCHANGER (ALUMINIZED)
MANIFOLD * For these models, you also need to order tapered thread orifices.(All new manifolds have tapered threads and will not fit with older orifices having straight threads).
SILICONE TUBING
INDUCED DRAFT MOTOR GASKET
FLUE BOX GASKET
SEP 175 - 290SEP250
1 2 3 4 5 1 2 3 1 2 3 4 5 1 2 3 4 50 1 1 2 3 0 1 0 1
SEP290
SEP230
SEP175
SEP200
X
X
X
X
X
14
14
X XX
X XX *
X * X *
XX
7 14 14
X X
7
XX
X
X X X
X *
14 147 7
X
X X X X
X
XX X
12
SEP UNIT HEATER DRAWING NUMBER DESCRIPTION PART
NUMBERALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
29176712600
33176712500
34176712700176712800176712900176713000
35176710400
36176710500176710600
37176714100
38176701000176700900176701100176700800
39176701500176701300176701400176701200
40176701900176702100176702000
41176701600176701800176701800
42176717800
43176717900
Not Shown100002477
Not Shown76717700
Not Shown100000546
7671510076715200
Not Shown100000547100000548176738500176738600
Not Shown176722900176717000176722800
CONTROL BOX COVER
CONTROL BOX
DRIP SHIELD
PANEL, RIGHT SIDE (viewed from r
IGNITION WIRE
FLUE BAFFLE
FLUE BAFFLE BRACKET
LOUVER BRACKET
PANEL, TOP
PANEL, BOTTOM
PANEL, LEFT SIDE ( viewed from re
TURBULATOR FOR NOX
TURBULATOR RETAINER
WIRING HARNESS
FAN TIMER
FLAME SENSOR WIRE
GAS PRESSURE SWITCH
SEP 175 - 290SEP250
1 2 3 4 5 1 2 3 1 2 3 4 5 1 2 3 4 50 1 1 2 3 0 1 0 1
SEP290
SEP230
SEP175
SEP200
X
X
X
10
2
X
X
X
X
X
10
2
X
X XX X X
X X
X X X
X X
6 6
X
X
X X
X
2 2
X
X X
X X
X X
8 10
XX X
X X
XX
X
X
X
X XX X
X
X XX
2
X
X
X X
XX
X XX X
X X
2XX
86 6 10
X X
X
13
SEP
SEP UNIT HEATER DRAWING NUMBER DESCRIPTION PART
NUMBER
1 CONTROL BOARD100000240176777500
767227002
767149003
767150004
767145006
76717500176717600
67671460076714800
28Straight thread 176712300
Tapered thread 76723000Straight thread 176712200
Tapered thread 76723700Straight thread 176712400
Tapered thread 76723400Tapered thread 76723600
28Straight thread 176717200
Tapered thread 76724000Tapered thread 176723500Straight thread 76717300
Tapered thread 76723100Straight thread 176717400
Tapered thread 176723300
ALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
ELECTRODE/SPARK IGNITER
ELECTRODE/FLAME SENSOR
FAN MOTOR (BLOWER MOTOR)
GAS VALVE (LP)
GAS VALVE (NAT)
ORIFICE (NAT)
ORIFICE (LP)
SEP 300 - 400SEP300
1 2 3 4 5 6 1 2 3 40 1 1 2 3 4
X X X
X
X
2
X
X
12
1212
12
12
12
SEP345
SEP400
XX X
X X
X X
X X
2 2
X X
12
12
12
12
14
SEP UNIT HEATER DRAWING NUMBER DESCRIPTION PART
NUMBERALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
7
7674610076714300A
7673840076714200
8176716600
76716400176716700176716500
9176717100
10176776900176777000176777100176777200176777300
1176715500
127671120076711300
15176710700176776400
16176711000176711100
171 76735000
767085007670860076708700
19176709100176709000176718900176709200176719100176709300176721300176709400176709500176736600176709600176736700176709700176709800176709900
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
LIMIT SWITCH
AUXILIARY LIMIT (ROLLOUT)
PRESSURE SWITCH
TRANSFORMER
BURNER
FAN BLADE
FAN MOTOR MOUNT / GUARD
FLUE ADAPTER
FLUE BOX
SEP 300 - 400SEP300
1 2 3 4 5 6 1 2 3 40 1 1 2 3 4
SEP345
SEP400
X
X
X
X
X
12
X
2
X
X
X X
X
X
X
X
X
XX
X
12 12
X
X
2 2
XX
X
X X
15
SEP UNIT HEATER DRAWING NUMBER DESCRIPTION PART
NUMBERALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
20176710000176710100176710200176710300
22176708800176708900
Not Shown176742001
21176707300176707400176707500176707600176707700176707800176707900176708000
21176711400176711500176711600176711700176708100176708200176711900176708300
2376713500
24176713100176713200176713300176713400
25176724800176724700176724400176724500176724600176724100176724200176724300
LOUVER SPRING
HEAT EXCHANGER (STAINLESS)
LOUVER VANE, BEIGE
HEAT EXCHANGER (ALUMINIZED)
MANIFOLD * For these models, you also need to order tapered thread orifices.(All new manifolds have tapered threads and will not fit with older orifices having straight threads).
SILICONE TUBING
INDUCED DRAFT MOTOR GASKET
FLUE BOX GASKET
SEP 300 - 400SEP300
1 2 3 4 5 6 1 2 3 40 1 1 2 3 4
SEP345
SEP400
X
X
X
X
X
14
14
X X X
14 14
X X
X X
X
X * X *
14 14
X
X X
X X
16
SEP UNIT HEATER DRAWING NUMBER DESCRIPTION PART
NUMBERALUMINIZED STEEL HEAT EXCHANGERSTAINLESS STEEL HEAT EXCHANGER
29176712600
33176712500
34176712700176712800176712900176713000
35176710400
36176710500176710600
37176714100
38176701000176700900176701100176700800
39176701500176701300176701400176701200
40176701900176702100176702000
41176701600176701800176701800
42176717800
43176717900
Not Shown100002477
Not Shown76717700
Not Shown100000546
7671510076715200
Not Shown100000547100000548176738500176738600
Not Shown176722900176717000176722800
CONTROL BOX COVER
CONTROL BOX
DRIP SHIELD
PANEL, RIGHT SIDE (viewed from r
IGNITION WIRE
FLUE BAFFLE
FLUE BAFFLE BRACKET
LOUVER BRACKET
PANEL, TOP
PANEL, BOTTOM
PANEL, LEFT SIDE ( viewed from re
TURBULATOR FOR NOX
TURBULATOR RETAINER
WIRING HARNESS
FAN TIMER
FLAME SENSOR WIRE
GAS PRESSURE SWITCH
SEP 300 - 400SEP300
1 2 3 4 5 6 1 2 3 40 1 1 2 3 4
SEP345
SEP400
X
X
X
12
X
X
X
X
X
X
12
2
X
X X X
X X X
12
X X
X X
X
X
X
X
12
X X
X X
X X
X X
X
2 2
X
X X
X
X
12 12
X
X
X
17
HED
HED DUCT FURNACE HED 75 - 1501 2 3 1 2 3 1 2 3 1 2 3
1100000240 X X X X176777500 X X X X
76722700 X X X X2
767149003
767150006
7671460076714800
28Straight thread 176719400
Tapered thread 176723900 6Straight thread 176719500
Tapered thread 76723400 4 5 6
7
7674610076714300A
8176716600
76716400176716700176716500
9176717100
10176777100176722500176722600176776900
1176715500
127671130076711200
177670850076708600
ORIFICE (NAT)
DRAWING NUMBER
CONTROL BOARD
ELECTRODE/SPARK IGNITER
ELECTRODE/FLAME SENSOR
GAS VALVE (NAT)
LIMIT SWITCH
AUXILIARY LIMIT
PRESSURE SWITCH
TRANSFORMER
X
X X
X
X
X
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
X X X
PART NUMBERDESCRIPTION
X
X
X X X
X XX
6
X X
6BURNER
X X X X
X
FLUE ADAPTERX
4 5
6
4 5 6
X X
HED150
X
HED75
X X
HED100 HED125
X X
18
HED DUCT FURNACE HED 75 - 1501 2 3 1 2 3 1 2 3 1 2 3
DRAWING NUMBER
PART NUMBERDESCRIPTION
HED150HED75 HED100 HED125
19176718900176712100176718800176721400176721500176719100176721300
20176710000176710100176710200176710300
21176719700176719800176719900176720000176720100176720200176720300
21176720400176720500176720600176720700176720800176720900176721000
22176708800176708900
25176724700 X176724400 X176724500 X176724600 X176724100176724200176724300
29176712600
33176712500
38176701000176700900176701100176700800
39176701500176701300176701400176701200
40176701900176702100176702000
41176701600176701800176701700
Not Shown100002477 X X X X
Not Shown100000546 X X X X
7671510076715200
Not Shown100000547 X X X X100000548176738500 X X X X176738600
FLAME SENSOR WIRE
* For these models, you also need to order tapered thread orifices.(All new manifolds have tapered threads and will not fit with older orifices having straight threads).
FLUE BOX
FLUE BOX GASKET
HEAT EXCHANGER (ALUM)
HEAT EXCHANGER (STAINLESS)
INDUCED DRAFT GASKET
MANIFOLD
CONTROL BOX COVER
CONTROL BOX
XX
XX
X
X
*X
*
XX
XX
X
X
X X
X
X
X
*X
*
X X
X
X
X X
PANEL, TOP
PANEL, BOTTOM
X X X
X
PANEL, RIGHT SIDE (as viewed from rear)
FAN TIMER
IGNITION WIRE
X X
X
X X
X
XX
X
X
X X
X X
XX
X
X
X
X
XX
PANEL, LEFT SIDE (as viewed from rear)
X
19
HED
HED DUCT FURNACE
1100000240176777500
767227002
767149003
767150006
7671460076714800
28Straight thread 176719400
Tapered thread 176723900Straight thread 176719500
Tapered thread 76723400
7
7674610076714300A
8176716600
76716400176716700176716500
9176717100
10176777100176722500176722600176776900
1176715500
127671130076711200
177670850076708600
ORIFICE (NAT)
DRAWING NUMBER
CONTROL BOARD
ELECTRODE/SPARK IGNITER
ELECTRODE/FLAME SENSOR
GAS VALVE (NAT)
LIMIT SWITCH
AUXILIARY LIMIT
PRESSURE SWITCH
TRANSFORMER
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
PART NUMBERDESCRIPTION
BURNER
FLUE ADAPTER
HED 200 - 3001 2 3 1 2 3 1 2 3
X X XX X X
X X X
8 10 12
12
XX
X XX
X XX
X
X
8
X
X
10
X X
X
12
X X
X
X
XXX
8 10
HED200
XX
X X X
HED300HED250
20
HED DUCT FURNACEDRAWING NUMBER
PART NUMBERDESCRIPTION
19176718900176712100176718800176721400176721500176719100176721300
20176710000176710100176710200176710300
21176719700176719800176719900176720000176720100176720200176720300
21176720400176720500176720600176720700176720800176720900176721000
22176708800176708900
25176724700176724400176724500176724600176724100176724200176724300
29176712600
33176712500
38176701000176700900176701100176700800
39176701500176701300176701400176701200
40176701900176702100176702000
41176701600176701800176701700
Not Shown100002477
Not Shown100000546
7671510076715200
Not Shown100000547100000548176738500176738600
FLAME SENSOR WIRE
* For these models, you also need to order tapered thread orifices.(All new manifolds have tapered threads and will not fit with older orifices having straight threads).
FLUE BOX
FLUE BOX GASKET
HEAT EXCHANGER (ALUM)
HEAT EXCHANGER (STAINLESS)
INDUCED DRAFT GASKET
MANIFOLD
CONTROL BOX COVER
CONTROL BOX
PANEL, TOP
PANEL, BOTTOM
PANEL, RIGHT SIDE (as viewed from rear
FAN TIMER
IGNITION WIRE
PANEL, LEFT SIDE (as viewed from rear)
HED 200 - 3001 2 3 1 2 3 1 2 3
HED200 HED300HED250
XX
X
X X X
X X X
X X X
X X X
X *
XX
X
XX
X
X *
X
X
X
X X
X
X
X *
X X
X
X
XX
XX
X
X X
X
X
X XX
X
X
X
X
X
X
X
21
FOA
FOA UNIT HEATERDRAWING NUMBER DESCRIPTION PART
NUMBERFOA45
FOA60
FOA75
FOA100
FOA125
FOA150
FOA200
FOA250
FOA300
176722700
17672290045
176700060
76729900A2
176700050
767151003
176700051
1767385004
76791000 X176700242 X X X X X 2
76714500 X X5
176739900 1176740200 2 2 1 1
676717500
1767002646
76714600176700265
2876724000 3 4 5
176723500 4 5 6 1076723100 7 11
ORIFICE (LP)
XWIRE, IGNITION cable
X
X
24V TERMINAL BOARD
DOOR SWITCH
ELECTRODE/SPARK IGNITER
X
X
X
X
CONTROL BOARD
X
X
X
XX
ELECTRODE/FLAME SENSOR
WIRE, FLAME SENSE
FAN MOTOR (BLOWER MOTOR)
FLAME ROLLOUT SWITCH
GAS VALVE (LP)
GAS VALVE (NAT)
WIRE HARNESS 6-PIN
22
FOA UNIT HEATERDRAWING NUMBER DESCRIPTION PART
NUMBERFOA45
FOA60
FOA75
FOA100
FOA125
FOA150
FOA200
FOA250
FOA300
2876723700 3 4
176700281 576723400 4 5
176700263 6 1176723600 776723400 10
776739200 X X X
76714300A X X X X X X8
76739700 X X X76716400 X X X X X
176716500 X10
176777400 X X76777300 X
176722600 X176700096 X176776900 X X
76777000 X176700236 X
46176700056
Not Shown176700057
1176715500
1276739500 3 4 576711300 4 5 6 7 10 11
13176773700 X176773800 X X
Not Shown176700272 X X176700237 X X176700239 X X
Not Shown176700085 X176700086 X176700087 X
15176739100 X176740000 X176701184 X176776400 X X X X176700250 X X
16176739000 X X176740100 X176700059 X X176700249 X X176711100 X 2
ORIFICE (NAT)
ELECTRICAL BOX
ELECTRICAL BOX COVER
TRANSFORMER
BURNER INSHOT
BURNER BOX TOP
FAN BLADE
FAN GUARD
X
X
X
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
LIMIT SWITCH
PRESSURE SWITCH
BURNER BOX
BURNER SUPPORT PLATE
23
FOA UNIT HEATERDRAWING NUMBER DESCRIPTION PART
NUMBERFOA45
FOA60
FOA75
FOA100
FOA125
FOA150
FOA200
FOA250
FOA300
17176700279 X176700231
Not Shown176700063 X176700062
18176735000 X176737800 X X
76708600 X X X X X76708700 X
19176700102 X176700103 X176700104 X176700033 X176700034 X176700247 X176700248 X176700258 X176700259 X
20176739300 X176740300 X X176700058 X X176700253 X X176700254 X X
21176700067 X176700069 X176700053 X176700054 X176700232 X176700233 X176700234 X176700235 X
22176739300 X176708800 X X176708900 X X X X X X
54176700105 X X X
53176700106 X X X
2376713500 4 6 6 6 6 8 8 12 12
24176741100 4 6 6176713100 6 6 8 8 12 12
25176774000 X176774100 X176774200 X176700046 X176700280 X176700251 X176700252 X176700261 X176700262 X
14176700048 X X X176700040 X X X X176700230 X X
HEAT EXCHANGER ASSEMBLY
INDUCED DRAFT GASKET
INDUCED DRAFT MOTOR PLATE
GASKET INDUCED DRAFT MOTOR PLATE
LOUVER SPRING
FLUE ADAPTER
FLUE BOX
INLET AIR ADAPTER
INLET AIR ADAPTER GASKETX
X
FLUE BOX GASKET
LOUVER VANE (BEIGE)
MANIFOLD
MANIFOLD CONNECTION
24
FOA UNIT HEATERDRAWING NUMBER DESCRIPTION PART
NUMBERFOA45
FOA60
FOA75
FOA100
FOA125
FOA150
FOA200
FOA250
FOA300
Not Shown176700047 X X X X X X X176700278 X X
26176750900 X X X
27176750800 X X X
30176700079 X176700031 X X176700037 X X176700244 X X176700256 X X
38176700098 X X X176700035 X X X X X X
32176700099 X X X176700229 X X X X176700241 X X
50176700070 X X X176700282 X X X X X X
31176700080 X176700073 X X176700038 X X176700245 X X176700260 X X
51176700081 X176700071 X X176700043 X X176700246 X X176700284 X X
52176700097 X176700101 X X176700036 X X176700243 X X176700255 X X
29176700076 X176700075 X X176700074 X X176700285 X X176700286 X X
Not Shown176700042
SIDE INSULATING PANEL
FAN PANEL
ACCESS DOOR
SIGHT GLASS
FRONT PANEL
TOP PANEL
BOTTOM PANEL
TOP / BOTTOM INSULATING PANEL
SIDE PANEL
MANIFOLD GROMMET
MOUNTING BRACKET, BACK
MOUNTING BRACKET, FRONT
X
25
UHRSUHRS UNIT HEATERDESCRIPTION PART NUMBER UHRS30 UHRS45 UHRS60 UHRS75 UHRS90 UHRS105
CONTROL BOARD 176701586ELECTRODE/FLAME SENSOR 176701611ELECTRODE/SPARK IGNITER 176701587
176701588 X X176701612 X X176701590 X X176701591 X X X176701592 X X X
GAS VALVE (LP) 176701593 X X X X X XGAS VALVE (NAT) 176701594 X X X X X XORIFICE (LP) 176701595 2 3 4 5 7 7ORIFICE (NAT) 176701596 2 3 4 5 7 7IGNITION LEAD 176701597 X X X X X XINDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
176701598 X X X X X X
LIMIT SWITCH 176701599 X X176701601 X X X X176701602 X176701603 X
TRANSFORMER 176701604 X X X X X X176701605 X X176701606 X X176701607 X X176701608 X X176701609 X X176701610 X X
LOUVER SPRING 176701613 X X X X X X
FAN BLADE
FAN GUARD
X
X
FAN MOTOR (BLOWER MOTOR)
FLAME ROLLOUT SWITCH
PRESSURE SWITCH
X
26
UHCMUHCM UNIT HEATER DESCRIPTION PART
NUMBER UHCM 125 UHCM150
UHCM175
UHCM200
UHCM250
UHCM300
UHCM350
UHCM400
CONTROL BOARD 176701586 X X X X X X X XELECTRODE/SPARK IGNITER 176701615 X X X X X X X XELECTRODE/FLAME SENSOR 176701616 X X X X X X X X
176701617 X X X X176701618 X X X X176701593 X X X X176701620 X X X X176701594 X X X X176701622 X X X X176701623 5 6 7 8176701624 5 6 7 8176701625 5 6 7 8176701626 10 12 14 16
176701627 X X
176701628 X X X X X X
176701599 X X X176701630 X176701631 X X X X176701632 X176701633 X X176701634 X X176701635 X176701636 X176701637 X
TRANSFORMER 176701604 X X X X X X X X176701610 X X X X176701639 X X X X176701585 X X176701647 X X
LOUVER SPRING 176701613 X X X X X X X X
FLUE ADAPTER
PRESSURE SWITCH
LIMIT SWITCH
FAN GUARD
FAN MOTOR (BLOWER MOTOR)
GAS VALVE (LP)
GAS VALVE (NAT)
ORIFICE (LP)
ORIFICE (NAT)
INDUCED DRAFT MOTOR ASSEMBLY(includes motor, housing, & blower wheel)
27
FOA - VENTING GUIDELINES
Material Size Material Size Flue Inlet airSingle wall Tee Tee
Cat. III Cat. III Cat. IIISingle wall
Cat. IIISingle wall Tee Tee
Cat. III Cat. III Cat. IIISingle wall
Cat. IIISingle wall Tee Tee
Cat. III Cat. III Cat. IIIConcentric
Single wall Tee TeeCat. III Cat. III Cat. III
Single wall Cat. III
Single wall Tee TeeCat. III Cat. III Cat. III
Concentric
Material Size Material Size Flue Inlet airSingle wall
Double Wall (B-1)Single wall
Double Wall (B-1)Single wall
Double Wall (B-1)Single wall
Double Wall (B-1)Single wall
Double Wall (B-1)Single wall
Double Wall (B-1)Single wall
Double Wall (B-1)Concentric
Single wall Double Wall (B-1)
Concentric
Material Size Material Size Flue Inlet air45 Two pipe Cat. III * 3" Single wall 3" Cat. III Tee
60, 75 Two pipe Cat. III 4" Single wall 4" Cat. III Tee100, 125 Two pipe Cat. III 5" Single wall 4" Cat. III Tee
Material Size Material Size Flue Inlet airTwo Pipe Double Wall (B-1) 3" Single wall 3"
Concentric Double Wall (B-1) * 3" Single wall * 3"
Two Pipe Double Wall (B-1) 4" Single wall 4"
Concentric Double Wall (B-1) 4" Single wall 4"
Two Pipe Double Wall (B-1) 5" Single wall 4"
Concentric Double Wall (B-1) 5" Single wall ** 4"
* Field supplied 3" to 4" increaser required for connection to concentric adapter** Field supplied 4" to 5" increaser required for connection to concentric adapterNote: Vent cap (for two pipe venting systems) 2 required per system
FOAHorizontal
Commercial Applications
FOAHorizontal Residential
Applications
FOAVertical
Commercial Applications
FOAVertical
Residential Applications
Concentric vent kit (4"/7")Part # 65336800
5" Single wall ** 4"Concentric Concentric vent kit (5"/8")Part # 65336900
Concentric vent kit (4"/7")Part # 65336800
Concentric vent kit (4"/7")Part # 65336800
4" Any UL approved caps
not available
Concentric vent kit (5"/8")Part # 65336900
Concentric * 3" Single wall * 3" Concentric vent kit (4"/7")Part # 65336800
45Any UL approved caps
60, 75Any UL approved caps
100, 125Any UL approved caps
300 Two Pipe 6" Single wall 4" Any UL approved caps
not available
Approved Caps
Approved Caps
150,200,250 Two Pipe 5" Single wall
4"
Model Size (1000s BTUH)
Termination Type
Flue Inlet air
Model Size (1000s BTUH)
Termination Type
Flue Inlet air
45Two Pipe 3" Single wall 3" Any UL approved caps
100, 125Two Pipe 5" Single wall 4" Any UL approved caps
60, 75Two Pipe 4" Single wall 4" Any UL approved caps
Concentric 4" Single wall
Model Size (1000s BTUH)
Termination Type
Flue Inlet air Approved Caps
150,200,250Two pipe 5" Single wall 4"
Concentric Concentric vent kit (5"/8")Not Available5" Single wall ** 4"
300 Two pipe 6" Single wall 4"
Not available
100, 125 Two pipe 5" Single wall 4"
Not available
Concentric vent kit (4"/7")Part # 653368004" Single wall 4"Concentric
45Two pipe 3" Single wall 3"
60, 75Two pipe
Model Size (1000s BTUH)
Termination Type
Flue Inlet air Approved Caps
Concentric vent kit (4"/7")Part # 65336800* 3" Single wall * 3"Concentric
4" Single wall 4"
28
SEP, UHCM, HED - VENTING GUIDELINES
Material Size Approved Caps Material Size Approved Caps
Single wall Tee Single wallCat. III Cat. III Double Wall (B-1)
Single wall Tee Single wallCat. III Cat. III Double Wall (B-1)
Single wall Tee Single wallCat. III Cat. III Double Wall (B-1)
* SEP and HED unit heaters are not approved for residential applications.
FSA, UHRS - VENTING GUIDELINES
Material Size Approved Caps Material Size Approved Caps
Single wall Tee Single wallCat. III Cat. III Double Wall (B-1)
Single wall Tee Single wallCat. III Cat. III Double Wall (B-1)
Material Size Approved Caps Material Size Approved Caps
30, 45 Cat. III 3" Cat. III Double Wall (B-1) 3" Any UL approved caps60, 75 Cat. III 4" Cat. III Double Wall (B-1) 4" Any UL approved caps
SEP, UHCM & HED
Commercial Applications
Only *
Model Size (1000s BTUH)
Horizontal Venting Vertical Venting
75 - 150 4" 4" Any UL approved caps
175 - 300 5" 5" Any UL approved caps
345 - 400 6" 6" Any UL approved caps
4" Any UL approved caps
FSA, UHRSResidential
Applications
Model Size (1000s BTUH)
Horizontal Venting Vertical Venting
FSA, UHRSCommercial Applications
Model Size (1000s BTUH)
Horizontal Venting Vertical Venting
30, 45 3" 3" Any UL approved caps
60, 75 4"
29
2 lbs.
LP Kits are not designed for and should not be used on HED duct furnaces.LP & NG Kits have tapered thread orifices and will not fit older models with straight threads.
3 lbs.
176701643 UHRS (all models)
7 - Burner orifices sizes1- White Rodgers pressure measuring adapter kit1- White Rodgers 36G series gas valve conversion kit3- Unit conversion stickers 1-Pressure switch1-Brass adapter2-Nipples1-Elbow1-Pressure switch wire harness
3 lbs.
176701642 UHCM 250 - 400
8 - Burner orifices1- White Rodgers pressure measuring adapter kit1- White Rodgers 36G series gas valve conversion kit3- Unit conversion stickers
LP FUEL CONVERSION KITSLP Conversion Kit Part #
(not available for SEP 60, 90) Used On Models Includes Ship Weight
165296401 SEP 100
1 Honeywell Spring Kit, 1 Spring Kit, 6 #52 Tapered Orifices, 1 LP Pressure Switch, 1 A-Nipple LP Pressure
Switch, 1 Elbow-LP Pressure Switch, 1 B-Nipple LP Pressure Switch, 6 Turbulators
165295202 SEP 115, 145 & 175
1 393691 Honeywell Spring Kit, 1 92-0836 White Rogers Spring Kit, 6 #52 Tapered Orifices (Part # 76723100), 1 LP Pressure Switch, 1 A-Nipple LP Pressure Switch, 1 Elbow-LP Pressure Switch, 1 B-Nipple LP Pressure Switch, 6 Turbulators, 6 Turbulator Clips
2 lbs.
165295203 SEP 230, 290 & 3451 LP Gas Valve (Part # 76717600), 12 #52 Tapered Orifices (Part # 76723100), 12 Turbulators, 12 Turbulator Clips
3 lbs.
165295205 SEP-200 1 393691 Honeywell Spring Kit, 1 92-0836 White Rogers Spring Kit, 6 .068 Tapered Orifices (Part # 76723300) 2 lbs.
165296403 SEP-250, 3001 LP Gas Valve (Part # 76717600), 12 #53 Tapered Orifices (Part # 76723500), 12 Turbulators, 12 Turbulator Clips
3 lbs.
165295206 SEP-400 1 LP Gas Valve (Part # 76717600), 12 Tapered Orifices (Part # 76723300) 2 lbs.
165295204 CUH/FSA (all models)
1 393691 Honeywell Spring Kit ( Part # 76757900), 1 92-0836 White Rogers Spring Kit (Part # 76757900), 1 Robert Shaw Spring Kit (Part #76768500), 5 #56 Tapered Orifices (Part # 76724000)
2 lbs.
165296405 FOA 45, 60 & 75 5 #56 Orifices (Part # 76724000), 1 White Rogers Spring Kit (Part # 76759100) 2 lbs.
165336303 FOA 100, 125, 150, 250 10 #53 Orifices (Part #76723500), 1 Honeywell Spring Kit (Part # 76759100) 2 lbs.
165336304 FOA 200 & 300 11 # 52 Orifices (Part # 76723100), 1 Honeywell Spring Kit (Part #76759100) 2 lbs.
176701641 UHCM 125 - 20016 - Burner orifices1- White Rodgers 36H series gas valve conversion kit2- Unit conversion stickers
2 lbs.
30
TBD
2 lbs.
2 lbs.
2 lbs.
TBD
2 lbs.
2 lbs.
2 lbs.
2 lbs.
NG FUEL CONVERSION KITS & MOUNTING BRACKETS
176701644 UHRS (All Models)
7 - Burner orifices1- White Rodgers 36G series gas valve conversion kit1- White Rodgers 36G measuring adapter kit3- Unit conversion stickers
176701645 UHCM 125 - 200
8 - Burner orifices1- White Rodgers pressure measuring adapter kit1- White Rodgers 36G series gas valve conversion kit3- Unit conversion stickers
160000004 SEP 400 12 Tapered Orifices (Part # 76723300),1 Natural Gas Valve (Part # 76714800)
160000001 SEP 115, 145, 175 6 Tapered Orifices (Part # 76723000),1 Natural Gas Valve (Part # 76714600)
160000002 SEP 200
Ship Weight
Mounting Bracket Kit 100001381 SEP 230 thru SEP400 and HED 200 thru 300 models 9 lbs.
7 Tapered Orifices (Part # 76723600),1 Natural Gas Valve (Part # 76714600)
Kit not yet available.Components are listed at right. SEP 250, 300 12 Tapered Orifices (Part # 76723400),
1 Natural Gas Valve (Part # 76714800)
LP & NG Kits have tapered thread orifices and will not fit older models with straight threads.
Description Part # Used On Models Ship Weight
NG Conversion Kit Part #(not available for SEP 90, 100,
250, 300, and CUH units)
176701646 UHCM 250 - 40016 - Burner orifices1- White Rodgers 36H series gas valve conversion kit3- Unit conversion stickers
160000003 SEP 230, 290, 345 12 Tapered Orifices (Part # 76723000),1 Natural Gas Valve (Part # 76714800)
Kit not yet available.Components are listed at right.
Used On Models
SEP 100 6 Tapered Orifices (Part # 76723400),1 Natural Gas Valve (Part # 76714600)
Includes
31
2175 West Park Place Boulevard Stone Mountain, GA 30087
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