When performing a compressor swap or service valve repair

Universal Compatibility: Specifically designed to fit all standard 1/10th gallon (10 oz) cartridges used in commercial HVACR applications

Frequent tripping usually indicates poor combustion air supply

Ensure both mating surfaces are clean and free of debris for a proper seat

always verify your specific valve's media rating

York S1-029-20422-056 Orifice When performing a compressor swapEnsure reliable ignition in gas fired heating systems with the York S1 029 20422 056 Pilot Orifice. Specifically engineered for use in York branded HVAC units and gas control applications, this #56 Pilot Orifice features a precise . 0465 inch diameter to regulate the fuel to air ratio required for consistent pilot flame stability. As an authentic OEM replacement part, the S1 029 20422 056 is critical for maintaining the proper gas flow to the pilot