Shielded Protection: Overall foil shield with drain wire eliminates crosstalk and external signal noise

This general service valve is a staple in HVACR systems

These part numbers are identical and refer to the same 1-1/4 inch 30 PSI pressure relief valve

Key Benefits Precise Refrigerant Metering: Optimized for 1

allowing 2 to 3-ton systems to operate at peak thermal capacity

Lochinvar & A.O. Smith 100093983 Pilot/Thermopile 319848-301 Shielded Protection: Overall foil shieldThe Lochinvar and A. O. Smith 100093983 Pilot Thermopile Assembly is a mission critical ignition component engineered for high efficiency LP gas water heaters and commercial boilers. This complete assembly is the direct OEM replacement for legacy part numbers 321165 001 and 100078038, ensuring a precise fit and reliable millivolt output within the combustion chamber. Designed for liquid propane applications, this kit includes the thermopile generator,