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PowerMax® Heater Replacement Parts

Replacement Parts

POWERMAX HEATER 
Item No. Part No. Description
1 070994
Return header 1
2 074216
Bracket Washer 1
3 073739
Bolt, hh. 3/8 in. x 2 in. 1
4 070416
Bolt, 3/8, 16 x 1-1/2 in. 1
5 072180
Washer 3/8 in. i.d., 1 in. o.d. 1
6 070951
Gasket, fin tube, seal 1
7 471360
Transformer 24 Vac CH w/circuit breaker dual voltage 1
8 470179
Electronic thermostat circuit breaker circuit board, IID models1
9 073584
Module natural gas 1
9 073585
Module propane gas 1
10 470122
Junction box IID units1
11 470184
Knob, T-Stat board 1
12 470186
Switch, rocker Single pole, double throw Sngl. pole & dbl. throw1
CONTROL PANEL ASSEMBLY, COMPLETE 
Item No. Part No. Description
13 470388
Natural, IID Model 150
13 470389
Natural, IID Model 200
13 470390
Natural, IID Model 250
13 470393
Natural, IID Model 400
14 075468
door, millivolt Model 150
14 075604
door, millivolt Model 200
14 075488
door, millivolt Model 250
14 075605
door, millivolt Model 300
14 075606
door, millivolt Model 350
14 075490
door, millivolt Model 400
15 070256
Manifold burner Model 150
15 075525
Manifold burner Model 200
15 070257
Manifold burner Model 250
15 075526
Manifold burner Model 300
15 075527
Manifold burner Model 350
15 070258
Manifold burner Model 400
16 073998
Gas valve natural, IID 1
16 073999
Gas valve natural, IID 1
17 075191
Pilot tube, IID 2
17 075192
Pilot tube, IID 3
17 075193
Pilot tube, IID 4
BURNER TRAY ASSEMBLY, COMPLETE 
Item No. Part No. Description
18 073752
Natural, IID Model 150
18 075499
Natural, IID Model 200
18 073751
Natural, IID Model 250
18 075500
Natural, IID Model 300
18 075501
Natural, IID Model 350
18 073750
Natural, IID Model 400
18 073906
Natural, IID Model 150
18 075508
Propane, IID Model 200
18 073905
Natural, IID Model 250
18 075509
Propane, IID Model 300
18 075510
Propane, IID Modle 350
18 073904
Natural, IID Model 400
19 070230
Burner 1
19a 470550
Burner w/pilot bracket 1
20 470190
Water pressure switch 1
COMBUSTION CHAMBER ASSEMBLY, COMPLETE 
Item No. Part No. Description
21 073858
Assembly Model 150
21 075586
Assembly Model 200
21 073857
Assembly Model 250
21 075587
Assembly Model 300
21 075588
Assembly Model 350
21 073856
Assembly Model 400
22 072134
Valve drain, 3/4 in 1
23 072138
Valve relief, 3/4 in. 50# 1,7
24 471424
Flow valve assembly standard, complete 1
24 073989
Flow valve assembly ASME, complete 1
25 074015
Flow valve gasket 1
26 075492
Bolt, 3/8, 16 x 2-1/2 1
27 075284
Quick-flange kit for 2 in. slip connection 1
28 070544
Rubber bushing, 2 in. i.d. 1
29 071895
Sleeve, rubber in/out, 2 in. 1
30 071017
Hi-limit safety switch 1
31 070985
Main header, in/out 1
HEAT EXCHANGER, WITH HEADS 
Item No. Part No. Description
32 470370
Heat exchanger Model 150
32 470371
Heat exchanger Model 200
32 470372
Heat exchanger Model 250
32 470373
Heat exchanger Model 300
32 470374
Heat exchanger Model 350
32 470375
Heat exchanger Model 400
HEAT EXCHANGER, WITHOUT HEADS 
Item No. Part No. Description
32 074452
Heat exchanger Model 150
32 075628
Heat exchanger Model 200
32 074451
Heat exchanger Model 250
32 075629
Heat exchanger Model 300
32 075630
Heat exchanger Model 350
32 074074
Heat exchanger Model 400
33 070277
Baffle Model 150
33 075559
Baffle Model 200
33 070276
Baffle Model 250
33 075560
Baffle Model 300
33 070277
Baffle Model 350
33 070278
Baffle Model 400
34 472329
Baffle
35 073864
Flue collector Model 150
35 075622
Flue collector Model 200
35 073863
Flue collector Model 250
35 075623
Flue collector Model 300
35 075624
Flue collector Model 350
35 073862
Flue collector Model 400
LIGHTBACK SHIELD (NATURAL GAS UNITS ONLY) 
Item No. Part No. Description
36 075783
Lightback shield Model 150
36 075784
Lightback shield Model 200
36 075785
Lightback shield Model 250
36 075786
Lightback shield Model 300
36 075787
Lightback shield Model 350
36 075788
Lightback shield Model 400
NOT SHOWN 
Item No. Part No. Description
070715
Plastic mounting bracket 1
470965
Wire kit, harness IID complete 1
071703
Screw, 8 x 1/4 in. HH 1
071698
Screw, 8 x 1/2 in. HH 1
071716
Screw, 6 x 1/4 in. 1
071659
Screw, 10-32 x 1/4 in. 1
075692
Screw, 10-32 x 3/16 in. 1
070551
Bushing 1/2 in. 1
470414
Therm. knob stopper 1
470178
Power element, flow-valve 1
073725
Bolt 5/16, 18 x 3/4 in. 1
073727
Orifice main burner natural 1,6
073728
Orifice main burner propane 1,6
471204
Pilot, natural, IID 1
471205
Pilot, propane, IID 1
075173
Thermal cutoff 1
470180
Thermistor probe, IID models 1
470181
T-Stat board knob stem 1
OPTIONAL OUTDOOR VENTS 
Item No. Part No. Description
471395
Optional Outdoor Vent Models 150, 200
471396
Optional Outdoor Vent Models 250, 400


1: Part No. used in Model Nos., 150, 200, 250, 300, 350, 400
2: Part No. used in Model Nos., 150, 200
3: Part No. used in Model Nos., 250, 300
4: Part No. used in Model Nos., 350, 400
5: Part No. used in Model Nos., 150, 250, 300, 350, 400
6: Qty. = Model, N or P 150 (3 ea.), 200 (4 ea.), 250 (5 ea.), 300 (6 ea.), 350 (7 ea.), 400 (8 ea.).
7: ASME or Local Code
8: Qty. = Model 150 (2 ea.), 200 (3 ea.), 250 (4 ea.), 300 (5 ea.), 350 (6 ea.), 400 (7 ea.).
9: Previously Manufactured Model.