maintaining identical flow rates and port sizing

Key Benefits for HVACR Contractors: Enhanced System Protection: The manual reset KPU6B stops operation during excessive discharge pressure events

Precision Filtration: Integrated 40-micron internal filter captures solid contaminants that cause capillary tube and TXV plugging

or internal contact oxidation

the 027919 provides superior corrosion resistance while maintaining accurate evaporator coil feeding to prevent liquid floodback and optimize heat transfer across the system

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