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Parts for the Munchkin 399M Boiler, Revision 1

We stock the most common Munchkin Boiler repair parts, vent kits, etc. Other Munchkin parts can be special ordered.

  • This series of the 399M Munchkin Boiler Revision 1 has a manufacture date from 11/02/02 to 12/19/06. If this is not your unit, please go to our main Munchkin Parts Page to find your unit.
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Parts for the 399M R1 Boiler:

  • 7250P-005: Munchkin Gasket for Spark Electrode and Flame Rectification Probe


  • 7250P-019: Eco/High Limit


  • 7250P-049: Flame Rectification Probe (with Gasket 7250P-005)


  • 7250P-058: Spark Electrode (with Gasket 7250P-005) - the manufacturer recommends that customers now use 7350P-020.


  • 7250P-059: Thermister Inlet/Outlet


  • 7250P-069: Screw for Spark Electrode and Flame Rectification Probe


  • 7250P-070: Burner Gasket


  • 7250P-080: Relief Valve :30 PSI, 510,000 BTU


  • 7250P-081: Water Pressure Switch (Identifiable by Red Dot)


  • 7250P-089: Thermodisc Flue Eco - 210° F


  • 7250P-096: Water Pressure Switch (Identifiable by Blue Dot)


  • 7250P-150: Blocked Vent Pressure Switch


  • 7250P-160: Ceramic Target Wall


  • 7250P-161: Burner Door Ceramic Refractory


  • 7250P-169: Burner Door


  • 7250P-211: Temperature / Pressure Gauge - 60 PSI


  • 7250P-279: Hot Surface Ignitor for HA (High Altitude) Models


  • 7250P-320: PC Connection Cable


  • 7250P-332: Display for 925 Control Board (includes Ribbon Cable)


  • 7250P-378: Control Board Fuse, 110 Volt, 6.3 AMPS


  • 7250P-386: Wiring Harness 9 Pin 120V for HA (High Altitude) Models


  • 7250P-387: Wiring Harness 9 Pin 120 Volt


  • 7250P-390: Wiring Harness 5 Pin 120 Volt (Per the manufacturer, order new part number 7250P-696)


  • 7250P-392: Spark Cable


  • 7250P-499: Temperature / Pressure Gauge - 200 PSI


  • 7250P-502: NIT Burner (with Gasket 7250P-070)


  • 7250P-535: Wiring Harness Low Voltage Both 10 Pin/20 Pin


  • 7250P-540: Air/Gas Valve Assembly


  • 7250P-545: Air/Gas Mixer


  • 7250P-552: First Valve Solenoid


  • 7250P-553: Main Valve Solenoid


  • 7250P-576: Relief Valve 125 PSI, 791,000 BTU for Model 399M HP Only


  • 7250P-580: Relay Board


  • 7250P-645: Gas Valve Change Out Kit - Honeywell to Dungs


  • 7250P-657: Adjustable Legs for Munchkin - Set of Four


  • 7250P-667: Thermistor


  • 7250P-714-2: Natural to Propane Gas Conversion Kit


  • 7250P-715-2: Propane to Natural Gas Conversion Kit


  • 7250P-724: Condensate Hose Assembly


  • 7250P-731: Control Board / Display Board Replacement for 925 Controller (7250P-317)


  • 7250P-737: USB Connector


  • 7250P-738: PC Connection Cable with USB Connector


  • 7250P-741: Munchkin 399 Rev 1 Conversion Kit, Krom Schroder to Dungs Gas Valve


  • 7350P-008: 926 Control Board


  • 7350P-009: Display Board for 926 Control Board


  • 7350P-020: Spark Electrode (with Gasket)


  • 7350P-159: Blower Motor (with Gasket)


  • 7450P-218: Condensate Neutralizer (formerly part # N1100)


  • KGAVT0501CVT: Concentric Vent Termination Kit, 2 Inch


  • KGAVT0601CVT: Concentric Vent Termination Kit, 3 Inch


  • N1100: Condensate Neutralizer (new part # 7450P-218)


  • SSV2.5: Mesh Screen - 2-1/2 Inch Stainless Steel (2 Inch Pipe)


  • SSV3.5: Mesh Screen -3-1/2 Inch Stainless Steel (3 Inch Pipe)


  • SSV4.5: Mesh Screen - 4-1/2 Inch Stainless Steel (4 Inch Pipe)


  • V1000: S.S. Outside Termination Vent Kit, 3 Inch


  • V2000: S.S. Outside Termination Vent Kit, 4 Inch


  • V500: S.S. Outside Termination Vent Kit, 2 Inch
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