Dwyer Instruments FS-2 Flow Switch R-407C While the SWT1258 is highly

While the SWT1258 is highly reliable

this unit delivers exceptional stability and high sensitivity

the 20224302 provides the necessary hardware to restore reliable burner operation and maintain strict safety standards for flame monitoring

Drop-in Compatibility: Specifically engineered to match the bolt pattern and internal geometry of the Dunham Bush ML9624

High-Capacity Output: Rated at 5000W for rapid heat transfer and consistent hot water delivery

Dwyer Instruments FS-2 Flow Switch R-407C While the SWT1258 is highlyThe 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