View Larger Image
MiniMax NT TSI Heater, w/6800 Controller Replacement Parts

Replacement Parts

MINIMAXNT TSI , w/6800 
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 472358
Exhaust assembly Model 250
4 472359
Exhaust assembly Model 300
4 472358
Exhaust assembly Model 400
5 472361
Blower w/gasket 2
5 472524
Blower w/gasket 3
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 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 bullkhead 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 472365
Sub-gas manifold w/plug 1
30 460762
Gas valve, natural gas 1
31 472366
Burner tray assembly Model 200
31 472367
Burner tray assembly Model 250
31 472368
Burner tray assembly Model 300
31 472369
Burner tray assembly Model 400
32 472216
Igniter 1
33 472370
Window glass w/ holder 1
34 472251
Flame sensor 1
35 472285
Gas manifold w/orifices, 0-4000 ft. Model 200
35 472286
Gas manifold w/orifices, 0-4000 ft. Model 250
35 472287
Gas manifold w/orifices, 0-4000 ft. Model 300
35 472288
Gas manifold w/orifices, 0-4000 ft. Model 400
37 472211
Burner 1
38 471575
Jacket, upper panel, left 1
39 471576
Jacket, upper panel, right 1
40 471767
Jacket, upper subplate 1
43 472449
Module, ignition control 1
44 472086
Temperature controller assembly 1
45 472087
Right door assembly with controller 1
45 472097
Right door assembly w/o controller 1
46 471900
Left door assembly Model 200
46 472318
Left door assembly Model 250
46 471918
Left door assembly Model 300
46 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
460762
Gas valve, natural gas Kit TSI5
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


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