Lochinvar & A.O. Smith 100304140 Control Board R-22 Is this ignitor compatible with

Is this ignitor compatible with LP gas

Smith communication protocols

Field technicians value this unit for its standardized suction and discharge port locations

This is the individual Honeywell 313745 replacement diaphragm

Lochinvar & A.O. Smith 100304140 Control Board R-22 Is this ignitor compatible withThe Lochinvar & A. O. Smith 100304140 Control Board is a critical main control board designed for high efficiency Knight Fire Tube boilers, specifically the WHB285 and KHB285 models. As a central component of the SMART SYSTEM operating control, this board manages complex hydronic functions, including 10: 1 turndown ratio modulation, blower speeds, and gas valve timing. It effectively processes real time data from water temperature sensors and flame