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PARTS LIST
MODELS
M125TH
RH125TH
KEY
PART
NO.
NUMBER
1
107353-10
2
108631-01
3
098512-77
4
103154-05
5
M10908-2
6
M16656-21
∆
7
7-1
HA3027
7-2
102548-08
7-3
104054-01
7-4
102336-05
8
M11084-26
9
097293-01
∆
10
10-1
102001-30
10-2
079975-02
10-3
FHPF3-5C
10-4
M22009*
10-5
M22456-1*
10-6
M50545
10-7
M12179***
10-8
M16545
10-9
M8940∞
10-10
M10993-1∞
10-11
M27694∞
10-12
M22997∞
10-13
M12461-31
10-14
M12244-1***
10-15
M11637***
10-16
104096-01
10-17
M8643*
10-18
M12461-31
11
M50631
12
101206-01
∆ Not available as an assembly
*
Included in Rotor Kit (Part No. HA3004)
112865-01A
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.
DESCRIPTION
Upper Shell (Service Part Will
Be Black)
Screw, #10-16 x 1"
Combustion Chamber
Photocell Bracket
Screw, #6-32 x 3/8"
Photocell Assembly
Burner Head Assembly
Nozzle Assembly
Ignitor Kit
Nozzle Adapter
Nozzle Adapter Bracket
Screw, #10-16 x 3/8"
Fan
Motor and Pump Assembly
Motor
Pump Body
Screw, #10-32 x 5/8"
Rotor Insert
Pump Rotor
Pump End Cover
Intake Filter
Filter End Cover
Steel Ball, 1/4" Diameter
Relief Spring
Adjusting Screw
Plug
Screw, #10-32 x 1"
Output Filter
Lint Filter
Fitting, Straight Nylon Barb
Blade
Screw, #10-32 x 1"
Rubber Bumper
Motor Mounting Bracket
*** Included in Filter Kit (Part No. HA3017)
∞ Included in Pump Adjustment Kit (Part No. HA3020)
For more information, visit www.desatech.com
For more information, visit www.desatech.co
KEY
PART
QTY.
NO.
NUMBER
13
M11084-29
1
14
104068-02
3
15
NTC-4C
1
16
108460-01
1
17
M27417
2
18
108457-01
1
19
M51345-12
1
20
106896-01***
1
21
M51151-02
1
22
M10990-3
1
23
M50814-08
1
24
107353-11
2
1
25
M50104-06
1
26
M50104-01
1
27
M12461-51
1
28
108708-01
2
29
M10908-14
1
30
108088-12
1
31
097663-03
1
32
108668-01
1
33
108394-01
1
34
107994-01
1
35
108461-01
1
36
M9900-170
1
37
104460-01
1
38
104458-01
4
39
108458-01
1
40
M12461-18
1
41
097785-08
1
42
108739-01
4
43
097467-02
6
44
M9900-197
__
2
105880-02
__
1
097785-09
PARTS LIST
M125TH and RH125TH
DESCRIPTION
Screw, #10-16 x 3/4"
Ignition Control Assembly
Hex Lock Nut, 1/4-20
Fan Guard
Drain Plug (Includes "o" Ring)
Shroud
Fuel Line
Fuel Filter
Fuel Line Tube
Rubber Bushing
Airline
Lower Shell (Service Part Will
Be Black)
Bushing
Bushing
Screw, #10-16 x 0.38"
Clip Nut
Screw, #8-32 x 1/4"
Fuel Tank
Fuel Cap/Gauge
P.C. Board Support
ON/OFF Switch
Power Cord
Control Cover
Wire Assembly, Black
Knob
Thermostat
Rear Panel
Screw, #8-32 x 7/8"
Foam Gasket
Filler Neck Screen
Button Plug
Wire Assembly, Green
Fuse (Not Shown)
T-stat Foam Gasket (Not Shown)
15
QTY.
11
1
2
1
1
1
1
1
1
1
1
1
2
1
1
13
1
1
1
5
1
1
1
2
1
1
1
1
1
1
1
1
1
1
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