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Directory: Catalog > Heat Transfer Products (HTP) > Parts

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) 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 7250P-1108 (old # 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-1008
(old # 7250P-731)

926 Control Board

  • Only purchase if the control board has previously been replaced with a 926 board

7250P-1108 (old # 7350P-008)
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.  
.    
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
17A

926 Control Board Upgrade Kit for HA "High Altitude" Unit

  • For HA units built before July, 2008 that have the 925 Control Board
  • Includes 926 Control Board 7250P-1109 (old # 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-1009
(old # 7250P-731)

926 Control Board for HA "High Altitude" Unit

  • Only purchase if the control board has previously been replaced with a 926 board for HA unit.

7250P-1109 (old # 7350P-008)
     

 

 

 

 

399M R1 Parts Diagram - Top View

 

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

 

UPS did not pick up packages on
Monday, January 27th due to the snow emergency.
We apologize for any inconvenience this may cause.