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