Field Durability: Resists chemical degradation from combustion byproducts

This kit typically includes the diaphragm assembly

this is for intermittent pilot ignition (IPI) systems

if not purged via the thermostatic vent

Refrigerant # Ctrl

Lochinvar & A.O. Smith 100167804 Board 340793-762 Field Durability: Resists chemical degradationThe Lochinvar & A. O. Smith 100167804 Integrated Control Board is the primary OEM replacement part for the Armor AW400 condensing water heater series. As a veteran grade HVACR control module, this board manages the critical sequence of operation, including the 10 second prepurge cycle, spark to flame trial for ignition, and continuous flame rectification. It acts as the master processor for ignition control and temperature regulation, ensuring the