Dwyer Instruments FS-2 Flow Switch 322838-752 this 1/4 inch OD brass

this 1/4 inch OD brass stem is the standard for restoring reliable performance to existing Watts float valve assemblies without the need for additional modifications or adapters

Electrical Compatibility: Universal 120/240V rating fits a wide variety of commercial and residential York platforms

It is not compatible with older systems that rely on a continuous flame and millivolt thermocouple

preventing housing cracks and internal blockages

0" WC manifold pressure with gas supplied

Dwyer Instruments FS-2 Flow Switch 322838-752 this 1/4 inch OD brassThe 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