Critical System Protection: Integrated ambient temperature cutout logic protects compressors from slugging or high-head pressure during extreme weather shifts

Solid State Reliability: Designed with high-quality components to withstand cabinet heat and vibration

While hand-tightening is a start

Integrated Auxiliary Switch: One SPDT switch included for verifying valve position or sequencing additional HVAC components

Dwyer Instruments FS-2 Flow Switch 320788-704 Critical System Protection: Integrated ambientThe Dwyer Instruments FS 2 Flow Switch is a rugged, vane actuated solution designed for reliable flow proving in hydronic and industrial liquid systems. This paddle flow switch features a 1" male NPT process connection and a durable forged brass body, making it ideal for monitoring flow in boilers, chillers, and horizontal pipelines ranging from 1" to 8" in diameter. With a NEMA 4 enclosure (IP64) made of die cast aluminum, this unit is built for