Precise Thermal Calibration: Fixed 140°F opening point with a 30°F differential ensures consistent safety cycling

Operational Efficiency: Eliminates temperature hunting

the S1-025-30890-000 offers a drop-in solution to resolve limit switch faults and restore proper cycling

allowing for tool-free actuator installation and removal

York 1NP0457 Propane Kit 322056-301 Precise Thermal Calibration: Fixed 140°FThe York 1NP0457 Propane Kit is an essential OEM component designed for field converting natural gas furnaces to liquid propane (LP) operation. As a technical professional, you recognize the necessity of precise combustion tuning; this S1 1NP0457 LP conversion kit provides the specific burner orifices and gas valve regulator springs required to maintain BTU input accuracy and flame stability. Engineered for high efficiency and standard efficiency York