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Parts for the Munchkin 140M Boiler, Revision 2

  • Match the Item # on the chart with the same Item # indicated on one of the two line art diagrams below the chart.
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Expanded View (Diagram 1)

Item # Description Part #
1 Thermistor 7250P-667
2 Thermodisc Flue 210 Degrees 7250P-089
3 Steel Push Retainer (Thermodisc Flue ECO) 7250P-151
4 PVC Black Tubing 1/8 ID (thermodisc Flue ECO) 7250P-311
5 Water Pressure Switch 7250P-096
6 ECO High Limit Sensor 7250P-019
7 Dungs Gas Valve 7250P-451
8 Screw M4 X 20MM (Gas Valve) 7250P-718
9 Swirl Plate 7500P-093
10 Gas Valve Adapter Plate (with Screws) 7250P-644
11 Screw M5 x 12MM (Gas Valve Adapter Plate) 7500P-105
12 Relief Valve 7250P-080
13 Brass Nipple 3/4 in. NPT x 3 in. SN1018*
14 Brass 90 Degree Elbow 3/4 in. NPT 7250P-313*
15 Combustion Blower (Blower Motor) 7250P-086
16 Screw M5 x 14MM (Combustion Blower) 7250P-478
17 Gasket (Air/Gas Channel to Combustion Blower) 7500P-075
18 Air/Gas Channel 7250P-687
19 Gasket (Flame Rectification Probe/Spark Electrode) 7250P-005
20 Spark Electrode (with Gasket) 7350P-020
21 Screw M4 X 8MM (Flame Rectification Probe/Spark Electrode) 7250P-069
22 Flame Rectification Probe (with Gasket) 7500P-039
23 Screw Torx M5 X 22M (Air/Gas Channel to Burner Door) 7250P-206
24 Gasket (Air/Gas Channel to Burner) 7500P-074
25 NIT Burner 7250P-102
26 Nut M6 (Burner Door) 7500P-067
27 Burner Door 7250P-684
28 Burner Door Ceramic Refractory 7250P-702
29 Screw M4 X 8MM (Ceramic Target Wall) 7250P-704
30 Washer M4 (Ceramic Target Wall) 7500P-109
31 Ceramic Target Wall 7250P-160
32 Screw M4 X 30MM Allen Head (Gas Piping Assembly) N/A
33 Screw M4 X 12MM Allen Head (Gas Piping Assembly N/A
34 Gas Piping Assembly (with Shut-Off Valve, Screws) 7250P-705
35 Welded Module 7250P-299 (no longer available)
36 24VAC Gas Valve Coil Only - Grey 7350P-624

Front View / Control Board (Diagram 2)

Item # Description Part #
41 Blocked Vent Pressure Switch 7250P-150
42 Screw #8 x 1/2 in. (Blocked Vent Pressure Switch) 7250P-133*
44 9 Pin Wiring Harness 7250P-697
45 5 Pin Wiring Harness 7250P-696
46 Control Board Mounting Panel (with Screws) 7250P-651*
47 Screw 1/4-20 X 1/2 in. (Control Board Mounting Panel) 7250P-184*
48 Control Board Hold Down Clips 7250P-352
49 926 Control Board (with Fuse)
- For units built after July, 2008, or if the board has been previously upgraded from 925 to 926
  926 Control Board Upgrade Kit
(Includes 926 Control Board (with Fuse) 7350P-008, Display Card and Ribbon Cable 7350P-009, Spark Cable 7250P-653, Hold Down Clips 7250P-352)
- For units with existing 925 Control Board (built prior to July, 2008), or to purchase all control board components in one kit
50 Fuse (Control Board) 7250P-378
51 Control Board Display (with Ribbon Cable) 7250P-091
52 Electrical Box (with Screws, Covers) 7250P-707*
53 Screw #8 X 1/2 in. Self Tapping (Electrical Box) 7250P-133*
54 Brass Nipple 1 X 1-1/4 X 3-3/4 in. 7250P-221
55 Cabinet Cover 7250P-232
56 Cabinet Latch and Gasket Kit (with Screws) 7250P-671
57 Leveling Foot 7250P-673
58 Condensate Hose Assembly 7250P-724
59 PVC Nipple Sch. 80 3.4 in. NPT (Condensate Assembly) 7250P-648
60 Hose Clamp (Condensate Assembly) 7250P-210
61 PVC Tee Sch. 40 3/4 in. (Condensate Assembly) 7250P-646
62 Cable Clamp (Condensate Assembly) 7250P-649
63 Screw #8 X 1/2 in. Self Tapping (Condensate Assembly) 7250P-133*
64 Poly Plug 3/4 in. NPT (Condensate Assembly) 7250P-647
65 3 in. Vent Adapter 7250P-735 (no longer available)
66 S.S. Hex Nut 10-32 (Blocked Vent Pressure Switch) 7250P-153
67 O-Ring 007 (Blocked Vent Pressure Switch) 7250P-152
68 Hose Barb 1/4 X 10-32 (Blocked Vent Pressure Switch)  
69 Plastic Tubing 3/16 in. ID (Blocked Vent Pressure Switch) 7000P-805

Expanded View (Diagram 1):

Munchkin R2 Parts Diagram


Front View / Control Board (Diagram 2):


Munchkin R2 Parts Diagram - Front View


Getting an error code on your display? Here are common Munchkin Error Codes and their Remedies.