When swapping this board

Direct Fit OEM Specs: Machined with a 1 3/16" bore to match York shaft tolerances

ensuring electrical efficiency and direct mechanical compatibility with existing blower housings

This is vital for systems with significant pressure drops across the distributor or coil

this valve is a standard for contractors requiring a reliable OEM replacement TXV for residential and light commercial cooling units

Lochinvar & A.O. Smith 100293455 Pilot/Thermopile Freon When swapping this boardThe Lochinvar & A. O. Smith 100293455 Pilot Thermopile assembly is a critical OEM replacement part designed for precision ignition and consistent flame sensing in natural gas water heaters and boilers. This heavy duty pilot assembly features a high output 750 millivolt thermopile, providing the necessary DC voltage to hold the internal gas valve solenoid open during operation. Built to handle the high thermal stress of constant pilot flames, this kit