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

HTP Part 7250P-731: 926 Control Board / Display Board Upgrade Kit (Replacement for 925 Controller)

• HTP now has individual part numbers for each boiler model's 926 board and/or board kit. Please use the list below to order the correct 926 board kit.
• If you only need a board and not a kit (for customers who already have a 926 board), please go to the 926 Board page.
• If you are unsure if this is the correct board for your unit, please Contact Us prior to placing the order.

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• Installation Instructions (580 KB Adobe)
• Flu Switch Jumper Wire - Use this wiring diagram to jump the flue switch if your boiler doesn't have one, and the new control board gives you a flashing "FLU" error upon startup. Flue switch wires are pink (see image).
• Control Board Wiring Diagram - A graphic that shows wire color and location on the control board.

We are closed for Easter and Spring Break and will return on Monday, April 6, 2026.

All orders and emails will be held until we return to the office.

Have a safe and Happy Easter weekend!