The Lennox 10W57 Circuit Board is a critical OEM replacement component designed for high-efficiency residential gas furnaces and air handlers

The unit features a high-visibility backlit display and intuitive interface designed for rapid field setup

Versatile Sampling: Accepts rigid or semi-rigid 1/4" OD tubing for flexible installation in positive

000 BTU Monterey SRO models including the 2509622

a common point of failure in rooftop unit (RTU) applications

Lochinvar & A.O. Smith 100208372 Pilot Assembly 30067439-890 The Lennox 10W57 Circuit BoardThe Lochinvar & A. O. Smith 100208372 is a critical replacement intermittent pilot assembly engineered for high recovery natural gas commercial water heaters and boilers. This specific spark to pilot ignition component serves as an exact OEM match for part numbers PLT2905 and PLT2905K, ensuring seamless mechanical and electrical integration. Designed to withstand the thermal stress of high output combustion chambers, this assembly features a precision