Directory: Catalog > Boilers & Water Heaters > Heat Transfer Products (HTP) > Parts

Parts for the Munchkin 399M Boiler, Revision 2


Part # Description
7000P-805 Plastic Tubing 3/16 in. ID (Blocked Vent Pressure Switch)
7250P-005 Gasket (Flame Rectification Probe/Spark Electrode)
7250P-019 ECO/High Limit Sensor
7250P-049 Flame Rectification Probe
7250P-069 Screw M4 X 8MM (Flame Rectification Probe/Spark Electrode)
7250P-080 Relief Valve
7250P-089 Thermodisc Flue 210 Degrees

LED Display Box with Ribbon Cable

  • Only if the main control board is 926.
7250P-096 Water Pressure Switch
Blocked Vent Pressure Switch 7250P-150 (new # 64980007)
7250P-151 Steel Push Retainer (Thermodisc Flue ECO)
7250P-152 O-Ring 007 (Blocked Vent Pressure Switch)
7250P-153 S.S. Hex Nut 10-32 (Blocked Vent Pressure Switch)
7250P-154 (new # 64980137) S.S. Hose Barb 1/4 X 10-32 (Blocked Vent Pressure Switch)
7250P-160 Ceramic Target Wall
7250P-206 Screw Torx M5 X 22M (Air/Gas Channel to Burner Door)
7250P-210 Hose Clamp (Condensate Assembly)
7250P-311 PVC Black Tubing 1/8 ID (Thermodisc Flue ECO)

LED Display Box with Ribbon Cable - DISCONTINUED

  • Only if the main control board is 925.
7250P-352 Control Board Hold Down Clips
7250P-378 Fuse (Control Board)
7250P-478 Screw M5 x 12MM (Combustion Blower)
7250P-514 Brass Nipple 1-1/2 in. X 2 in. X 3-3/4 in.
7250P-646 PVC Tee Sch. 40 3/4 in. (Condensate Assembly)
7250P-647 Poly Plug 3/4 in. NPT (Condensate Assembly)
7250P-648 PVC Nipple Sch. 80 3.4 in. NPT (Condensate Assembly)
7250P-649 Cable Clamp (Condensate Assembly)
7250P-653 Spark Cable
7250P-667 Thermistor
7250P-670 Screws M4 X 30MM Round Head (Gas Valve)
7250P-671 Cabinet Latch and Gasket Kit (with Screws)
7250P-673 Leveling Foot
7250P-684 Burner Door
7250P-687 Air/Gas Channel
7250P-696 5 Pin Wiring Harness
7250P-697 9 Pin Wiring Harness
7250P-699 Low Voltage Wiring Harness (10 Pin/20 Pin Main Wiring Harness, with Gas Valve Plug)
7250P-702 Burner Door Ceramic Refractory
7250P-703 NIT Burner
7250P-704 Screw M4 X 8MM (Ceramic Target Wall)
7250P-710 Dungs Gas Valve
7250P-711 Gas Valve Adapter Plate
7250P-712 Swirl Plate - Black
7250P-723 Right Angle Connector
7250P-724 Condensate Hose Assembly
7250P-731 926 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-741 Krom Schroder to Dungs Gas Valve Conversion Kit
7350P-008 926 Control Board (with Fuse)
- For units built after July, 2008, or if the board has been previously upgraded from 925 to 926
7350P-009 (new # 64980136)

Display Card and Ribbon Cable (without box)

  • Only if the main control board is 926.
7350P-020 Spark Electrode (with Gasket)
7350P-159 Combustion Blower (Blower Motor)
7350P-623 24VAC Gas Valve Coil Only - Grey (discontinued, please order the complete gas valve assembly)
7500P-067 Nut M6 (Burner Door)
7500P-074 Gasket (Air/Gas Channel to Burner)
7500P-075 (new # 64980043) Gasket (Air/Gas Channel to Combustion Blower)
7500P-105 Screw M5 x 12MM (Gas Valve Adapter Plate)
7500P-109 Washer M4 (Ceramic Target Wall)
  See Accessories - PC connection, vent kits, mesh screens, etc.


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