or O series valves

check for a "lazy" pilot flame or high resistance in the limit circuit

including model CHGD42S41Q1

Does this board support local or remote flame sensing

If you measure 24V at the solenoid but get no downstream manifold pressure

Lochinvar & A.O. Smith 100327147 Pilot Assembly 323055-751 or O series valvesAs an HVAC technician, you know that a reliable ignition sequence is the backbone of any liquid propane system. The Lochinvar & A. O. Smith 100327147 Pilot Assembly is a critical OEM component designed specifically for LP gas water heaters and boilers. This unit serves as the direct replacement for 100165861, ensuring a seamless fit and immediate restoration of the pilot flame circuit. Constructed for durability in high heat environments, it features