the fluid enters Port AB and is directed to either Port A or Port B

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

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

Proper installation requires attention to terminal polarity and dip switch positioning to align with HVAC direct-fired system requirements

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 the fluid enters Port ABThe 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