MiniMax® NT LN Heater w/DDTC Controller Replacement List

Replacement Parts


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MINIMAX NT LN , 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 472357
Exhaust assembly Model 200
4 472359
Exhaust assembly Model 250
4 472357
Exhaust assembly Model 300
4 472358
Exhaust assembly Model 400
5 472361
Blower w/gasket Model 200
5 472362
Blower w/gasket 2
6 471610
Gasket, blower 1
7 472008
Flue collector Model 200
7 472006
Flue collector Model 250
7 472007
Flue collector Model 300
7 472005
Flue collector Modle 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 1
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 ring 1
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 471597
Power element, flow valve 1
30 472083
Sub-gas manifold 1
31 460760
Gas valve kit, natural 1
32 471905
Gas valve, natural gas
32 472016
Burner tray assembly
32 471923
Burner tray assembly
32 471981
Burner tray assembly
33 471696
Burner tray assembly
34 471872
Igniter and bracket
34 471700
Gas manifold w/o orifice
34 471956
Gas manifold w/o orifice
34 471699
Gas manifold w/o orifice
36 471668
Burner
37 471575
Jacket, upper panel, left
38 471576
Jacket, upper panel, right
39 471767
Jacket, upper subplate
42 472447
Module, ignition control
43 472100
DDTC board
44 471727
Right door assembly with controller
44 472372
Right door assembly w/o controller
45 471900
Left door assembly
45 472318
Left door assembly
45 471918
Left door assembly
45 471726
Left door assembly
NOT SHOWN 
Item No. Part No. Description
075173
Thermal cutoff
472508
Transformer, 40 VA
460506
Indoor vent adaptor, 4 in
460507
Indoor vent adaptor, 5 in.
470328
Fan Tubing
471548
Control Panel Cover
471773
Power Switch
471715
Top Panel Clips
471549
Control Cover Hinge
070715
Plastic mounting bracket
470184
Knob, T-Stat board
470181
T-Stat board knob stem
472254
Mounting Plate for DDTC


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