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Parts for the Munchkin 399M Boiler, Revision 1

  • Match the Item # on the chart with the same Item # indicated on one of the two line art diagrams below the chart.
  • Items not currently for sale on our site do not have yellow links and are marked with an asterisk. Please Contact Us for price and availability.
  • See the parts list sorted by part number.

 

Item # Description Part #
1 Blower Motor (with Gasket) Old # 7250P-518, new # 7350P-159
2 Air Gas Mixer 7250P-545
3 Air / Gas Valve Assembly 7250P-540
4 Thermistor Inlet / Outlet 7250P-059
5 Water Pressure Switch (red dot) 7250P-081
5 Water Pressure Switch (blue dot) 7250P-096
6 ECO High Limit 7250P-019
7 Thermodisc Flue ECO - 210 Degree 7250P-089
8 Spark Electrode (with Gasket)
7250P-058 or 7350P-020
9 Flame Rectification Probe 7250P-049
10 Relief Valve 7250P-080
11 Main Valve Solenoid 7250P-553
12 First Valve Solenoid 7250P-552
13 Gas Ball Valve 7250P-554
14 Burner (includes Gasket) 7250P-502
15 Burner Door Ceramic Refractory 7250P-161
16

LED Display Box with Ribbon Cable - DISCONTINUED

  • For original 925 Control Board only. If you have already upgraded to a 926 Control Board, order the Display Board for 926 Control Board 64980136 (old # 7350P-009).
7250P-332
17

926 Control Board Upgrade Kit

  • For units built before July, 2008 that have the 925 Control Board
  • Includes 926 Control Board (with Fuse) 7350P-008, Display Card and Ribbon Cable 64980136 (old # 7350P-009), Spark Cable 7250P-653, Hold Down Clips 7250P-352, and Flue Jumper Wire (if needed).

 

7250P-731
(also use )
18 Low Voltage Wiring Harness (10 Pin / 20 Pin) 7250P-535
19 9 Pin Wiring Harness (120 Volt) 7250P-387
20 5 Pin Wiring Harness (120 Volt) Old # 7250P-390, replace with 7250P-696.
21 Spark Cable Old # 7250P-392, replace with 7250P-653.
22 Control Board Fuse (110 Volt, 6.3 Amp) 7250P-378
23 Ceramic Target Wall 7250P-160
24 Gas Valve Relay N/A
25 Blocked Vent Pressure Switch 7250P-150 (new # 64980007)
26 Gasket for Spark Electrode and Flame Rectification Probe 7250P-005
27 Burner Door 7250P-169
28 Burner Gasket 7250P-070
Other Parts: (not shown)
  Screw for Spark Electrode and Flame Rectification Probe 7250P-069
  Honeywell Gas Valve Conversion Kit (Natural Gas to Propane) 7250P-138
  Gasket (Burner Door to Air Channel) 7250P-170
  Burner Door Screws (Self Tapping) 7250P-204
  Temperature / Pressure Gauge - 60 PSI 7250P-211
  Relief Valve - 125 PSI (200,000 BTU) 7250P-219
  Control Board Clips (not shown) 7250P-352
  Temperature / Pressure Gauge - 200 PSI 7250P-499
  Relay Board 7250P-580
  Adjustable Legs for Munchkin - Set of Four 7250P-657
  Swirl Plate (mfg date 12/05/07) 7250P-712
  Dungs Gas Valve Conversion Kit (Natural Gas to Propane) 7250P-714-2
  Dungs Gas Valve Conversion Kit (Propane to Natural Gas) 7250P-715-2
  Condensate Hose Assembly 7250P-724
 

926 Control Board

  • Only purchase if the control board has previously been replaced with a 926 board
7350P-008
 

Display Board for 926 Control

  • Only purchase if the control board has previously been replaced with a 926 board
7350P-009 (new # 64980136)
  Condensate Neutralizer (formerly part # N1100) 7450P-218
     
  See Accessories - PC connection, vent kits, mesh screens, etc.  
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HA "High Altitude" Parts
* For HA designation, as indicated in model number (for example, T50M HA)
8A* Flame Rectification Probe - location for the HA "High Altitude" unit. 7250P-049
9A* Hot Surface Ignitor - location for the HA "High Altitude" unit. 7250P-279
15* 9 Pin Wiring Harness (120 Volt) - HA "High Altitude" 7250P-386
     

 

 

 

 

399M R1 Parts Diagram - Top View

 

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