Dwyer Instruments A6-251221 Pressure Switch 323080-701 this switch is a standard

this switch is a standard safety control for many Trane circuits

Its design ensures precise metered flow under varying load conditions

This is a fixed sheave

The robust construction prevents electrical drift and ensures long-term signal stability across the full operating range

The Weil McLain 510-218-099 is rated for a maximum system pressure of 60 PSI

Dwyer Instruments A6-251221 Pressure Switch 323080-701 this switch is a standardFor contractors requiring a dependable solution for extended duty applications, the Dwyer Instruments A6 251221 Pressure Switch provides precision and setpoint integrity in a compact brass housing. This unit is specifically engineered to handle adjustable 1. 1 3 PSI range requirements, making it a staple for monitoring air, motor oils, transmission fluids, and various hydrocarbon media. The SPDT snap action switch ensures reliable electrical