maintaining identical flow rates and port sizing

effectively preventing unauthorized setpoint drifting and protecting sensitive bimetal sensing elements from dust and debris

providing a standardized solution for various suction line pressure regulation applications

The HF-series expansion valve features a stainless steel power element

Engineered for compatibility with compression fittings and standard flared connections

White-Rodgers 5D51-90 Control Els PW 17895 maintaining identical flow rates andThe White Rodgers 5D51 90 Control is a versatile fan and limit control designed for precise regulation of blower operation and high limit safety protection in forced air furnaces. Field tested for reliability, this unit features an 8 inch insertion bimetal element, making it an ideal universal replacement part for plenum installations where space is at a premium. The fan switch operates on a "close on rise" logic with an adjustable range of 50F to