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105787
OWNER’S MANUAL
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 098511-257 Upper Shell 1
2 102432-01 Screw/Lockwasher, 1/2" 8
3 098512-66 Combustion Chamber 1
4 103154-05 Photocell Bracket 1
5 M10908-2 Screw, #6-32 x 3/8" 2
6 M16656-24 Photocell Assembly 1
7 ** Burner Strap Assembly 1
7-1 100735-24 Nozzle Assembly 1
7-2 102548-05 Ignitor Kit 1
7-3 M10908-75 Screw, #6-32 x 7/8" 1
7-4 102336-01 Nozzle Adapter Bracket 1
7-5 104054-01 Nozzle Adapter 1
7-6 103347-01 Belleville Washer 1
8 102431-01 Screw/Lockwasher, 1/2" 2
9 102042-01 Fan 1
10 ** Motor and Pump Assembly 1
10-1 102001-24 Motor 1
10-2 079975-03 Pump Body 1
10-3 FHPF3-6C Screw, #10-32 x 3/4" 2
10-4 M22009 Rotor Insert 1
10-5 M22456-2 Pump Rotor 1
10-6 M50545 Pump End Cover 1
10-7 M12179 Intake Filter 1
10-8 M16545 Filter End Cover 1
10-9 M8940 Steel Ball, 1/4" Diameter 1
10-10 M10993-1 Relief Spring 1
10-11 M27694 Adjusting Screw 1
10-12 M22997 Plug 1
10-13 M12461-31 Screw, #10-32 x 1" 4
10-14 M12244-1 Output Filter 1
10-15 M11637 Lint Filter 1
10-16 M50820-02 Barb Fitting 1
10-17 M8643-2 Blade 4
10-18 M12461-32 Screw, #10-32 x 1
1
/8"6
11 M50631 Rubber Bumper 2
12 101206-01 Motor Mounting Bracket 1
13 101695-01 Button Plug 1
14 104068-04 Ignition Control Assembly 1
PARTS LIST
NTH150-2
150,000 BTU/HR MODEL
This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the
correct model and serial numbers (from the model plate), then the part number and description of the
desired part.
** Not available as an assembly; order parts separately
KEY PART
NO. NUMBER DESCRIPTION QTY.
15 NTC-4C Hex Lock Nut, 1/4-20 2
16 M51114-01 Fan Guard 1
17 M27417 Drain Plug (Includes “o” Ring) 1
18 099213-01 Button Plug 1
19 M51345-04 Fuel Line 1
20 107961-01 Fuel Filter 1
21 M51151-02 Fuel Line Tube 1
22 M10990-3 Rubber Bushing 1
23 M50814-03 Airline 1
24 098511-236 Lower Shell 1
25 M50104-03 Bushing 1
26 M50104-01 Bushing 1
27 102431-01 Screw/Lockwasher, 1/2" 6
28 M11271-8 Clip Nut 8
29 RF3-4B Screw, #10-32 x 1/2" 1
30 108088-05 Fuel Tank 1
31 097702-01 Fuel Cap (Includes Gasket) 1
32 102349-01 P.C. Board Support 5
33 M50400 Strain Relief Bushing 1
34 098872-04 Power Cord 1
35 M51077-15 Side Cover 1
36 102431-01 Screw/Lockwasher, 1/2" 4
37 102861-01 Nylon Locknut 1
38 079010-39 Wire Assembly (Brown/White) 1
39 105793-01 ON/OFF Switch 1
40 079919-01 Switch Cover 1
41 WLE-3 Lockwasher, #10 1
42 NPF-3B Nut, #10-32 3
43 097468-01 Edge Liner 1
44 079010-40 Wire Assembly (White) 1
PARTS AVAILABLE - NOT SHOWN
HA2210 Filler Neck Screen 1
103814-01 Wire Tie 1
104998-01 Tradename Decal 2
106013-04 Decal Package 1
105880-01 Ignition Control Assembly Fuse 1