Lochinvar & A.O. Smith 100108779 Valve 320074-702 Technical Reliability: Constructed with Polyolester

Technical Reliability: Constructed with Polyolester (POE) oil for superior lubrication and system longevity

Optimizes boiler system performance and energy efficiency

The Heil Quaker ICP 1173636 Defrost Control Board is a critical OEM replacement engineered to regulate timing and temperature-based defrost cycles in high-efficiency heat pump systems

preventing the shaft misalignment that leads to premature bearing failure and excessive decibel levels during high-load cooling cycles

The York S1-024-25060-000 Start Relay is a heavy-duty potential relay engineered for high-torque compressor motor performance in industrial and residential HVACR systems

Lochinvar & A.O. Smith 100108779 Valve 320074-702 Technical Reliability: Constructed with PolyolesterThe Lochinvar & A. O. Smith 100108779 Valve is a professional grade 3" T&P Valve engineered as a critical safety component for high capacity water heaters and heating systems. Designed specifically for 3 inch cavity residential and commercial units, this genuine OEM water heater part features a durable brass construction and a robust spring loaded design to manage thermal expansion and system pressure. It is precision calibrated to actuate at a 150