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

Integrated Diagnostics: Features onboard LED status indicators to streamline field troubleshooting and verify heat pump defrost cycle operation

Always match the OEM temperature ratings exactly

this 1/2" NPT gas valve features a redundant dual-operator design

As part of the Spectra 10 Series

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