Dwyer Instruments A6-251221 Pressure Switch 318172-701 this 30 cubic inch unit

this 30 cubic inch unit is specifically optimized for HFC refrigerants including R410A

The valve must be installed in an upright position within a horizontal run of pipe to ensure proper diaphragm operation

Resilient Base Mount: Designed to minimize vibration transfer

this part is a critical recovery solution for compressors struggling to kick over

Dwyer Instruments A6-251221 Pressure Switch 318172-701 this 30 cubic inch unitFor 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