Simplified Troubleshooting: On-board diagnostic LED provides immediate feedback for faster repair cycles

This kit provides the necessary feedback for the control board to manage modulating boiler firing rates and domestic hot water delivery

Is the 1110728 valve compatible with R-22 systems

OEM Compatibility: Engineered specifically for International Environmental MPY

you must use pliers to break the designated propane tab on the PCB before installation

Lochinvar & A.O. Smith 100159009 Conversion Kit 318172-701 Simplified Troubleshooting: On-board diagnostic LEDThe Lochinvar & A. O. Smith 100159009 Conversion Kit is a critical OEM component designed for field converting high efficiency heating systems from natural gas to liquid propane (LP). This propane conversion kit is engineered for precision, ensuring the burner receives the correct fuel to air ratio for stable combustion and optimal thermal output. As a direct replacement for the LPK3947, it integrates seamlessly with Lochinvar Knight and A. O. Smith