Standard FLSR series fuses are designed with a rejection feature that fits Class R fuse holders perfectly

This fixed temperature limit switch is calibrated to trip at 370°F

If your system is short-cycling

ensure both the valve body and actuator are from the high-temperature series

The York S1-024-35268-000 is an essential OEM dual-stage air pressure switch designed for precision monitoring of combustion airflow in high-efficiency York

Rheem-Ruud 42-24166-81 Pressure Switch Els PW 17895 Standard FLSR series fuses areFor veteran HVAC technicians and service contractors, the Rheem Ruud 42 24166 81 Pressure Switch is the definitive OEM replacement for maintaining the safety loop in two stage gas furnaces. This dual pressure switch assembly is factory calibrated with precise setpoints of 0. 15" WC for low fire and 0. 30" WC for high fire operations, ensuring the inducer motor maintains the necessary static pressure for safe flue gas venting. Designed specifically for