Always match the OEM temperature ratings exactly

The R0061300 is primarily used in Laars Mini-Therm models JVS and JVT (sizes 50-225) as well as Mini Combo hydronic boilers

Is this thermistor assembly compatible with Tempstar units

While hand-tightening is a start

Dwyer Instruments FS-2 Flow Switch 320788-704 Always match the OEM temperatureThe 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