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MiniMax NT STD w/DDTC Controller Replacement List

Replacement Parts

MINIMAX NT STD W/DDTC 
Item No. Part No. Description
1 472352
Exhaust grill w/gasket 1
2 471701
Gasket, exhaust grill 1
3 472353
Top cover w/posts Model 200
3 472354
Top cover w/posts Model 250
3 472355
Top cover w/posts Model 300
3 472356
Top cover w/posts Model 400
4 472373
Exhaust assembly 2
4 472376
Exhaust assembly Model 250
5 472361
Blower w/gasket Model 200
5 472362
Blower w/gasket 3
5 472374
Blower w/gasket Model 400
6 471610
Gasket, blower 1
7 472008
Flue collector Model 200
7 472007
Flue collector Model 250
7 472006
Flue collector Model 300
7 472005
Flue collector Model 400
8 472270
Insulation, header/Hi-limit 1
9 471991
Return header assembly 1
10 471622
Bolt, heat exchanger 1
11 072184
Washer, flat 3/8" ID x 7/8" OD .05 Thk 18-8 s/s - (qty. 51 & qty. 9) 1
12 471904
Fire box assembly Model 200
12 471835
Fire box assembly Model 250
12 471922
Fire box assembly Model 300
12 472332
Fire box assembly Model 400
13 471910
Heat exchanger w/ headers Model 200
13 471785
Heat exchanger w/ headers Model 250
13 471928
Heat exchanger w headers Model 300
13 471838
Heat exchanger w headers Model 400
13 471933
Heat exchanger w/o headers Model 200
13 471934
Heat exchanger w/o headers Model 250
13 471935
Heat exchanger w/o headers Model 300
13 471936
Heat exchanger w/o headers Model 400
14 471642
Baffle, heat exchanger Model 200
14 471641
Baffle, heat exchanger Model 250
14 471896
Baffle, heat exchanger Model 300
14 471640
Baffle, heat exchanger Model 400
15 471566
Thermistor probe
16 471587
Hi-limit thermostat 115 degrees1
17 471694
Hi-limit thermostat 150 degrees1
18 472125
Water pressure switch 1
19 472363
In/out top sub-header assembly 1
20 471992
In/out main header assembly 1
21 472364
In/out bottom sub-header 1
22 471420
Cap, in/out main manifold bottom 1
23 274494
O-ring 1
24 274440
Nut, adapter bulkhead ring1
25 471441
Adaptor, bulkhead, 2 in. 1
26 070951
Gasket, fin tube, seal 1
27 471750
Flow valve assembly 1
28 472330
Power element, flow valve 1
29 470760
Gas valve, natural gas 1
29 470761
Gas valve, propane 1
30 460784
Kit, burner NT STD 200 NA/LP Model 200
30 460785
Kit, burner NT STD 250 NA/LP Model 250
30 460786
Kit, burner NT STD 300 NA/LP Model 300
30 460787
Kit, burner NT STD 400 NA/LP Model 400
30 460784
Burner Tray Assembly Model 200, propane
31 472604
Igniter 1
32 471603
Electrode 1
33 471892
Gas manifold w/out orifices, natural or propane Model 200
33 471661
Gas manifold w/out orifices, natural or propane Model 250
33 471889
Gas manifold w/out orifices, natural or propane Model 300
33 471708
Gas manifold w/out orifices, natural or propane Model 400
35 070230
Burner 1,5
35 471970
Burner w/bracket 1
36 471575
Jacket, upper panel, left 1
37 471576
Jacket, upper panel, right 1
38 471767
Jacket, upper subplate 1
41 472447
Module, ignition control 1
42 472100
DDTC board 1
43 471727
Right door assembly with controller 1
43 472372
Right door assembly w/o controller 1
44 471900
Left door assembly Model 200
44 472318
Left door assembly Model 250
44 471918
Left door assembly Model 300
44 471726
Left door assembly Model 400
NOT SHOWN 
Item No. Part No. Description
075173
Thermal cutoff 1
472508
Transformer, 40 VA 1
460506
Indoor vent adaptor, 4 in 1
460507
Indoor vent adaptor, 5 in. 1
470328
Fan Tubing
471548
Control Panel Cover
471773
Power Switch
471715
Top Panel Clips
471549
Control Cover Hinge
070715
Plastic mounting bracket


1: Part No. used in Model Nos., 200, 250, 300, 400.
2: Part No. used in Model Nos., 250, 300.
3: Part No. used in Model Nos., 200, 300, 400.
4: Qty. = Model 200 (4 ea.), 250 (5 ea.), 300 (6 ea.), 400 (8 ea.).
5: Qty. = Model 200 (2 ea.), 250 (3 ea.), 300 (4 ea.), 400 (6 ea.).
6: Kit includes gas valve, elbow, mounting bracket, and side panel