MARS 43353 Pressure Switch 319848-301 It uses a mid-point ground

It uses a mid-point ground and a Rajah-style secondary terminal

With an adjustment range of 73 to 254 psig and a factory setting of 145 psig

High-Limit Safety: Open-on-rise operation serves as a reliable safety cutoff for overheating protection

a mounting adapter or new rain shield may be required for a secure fit

It is not intended for atmospheric vent units or generic PVC plumbing applications

MARS 43353 Pressure Switch 319848-301 It uses a mid-point groundThe MARS 43353 Pressure Switch is a heavy duty low pressure control designed for precise R410A refrigeration system protection and traditional HVAC applications. This SPST auto reset switch features a factory set 75 PSI open and 100 PSI close calibration, ensuring reliable compressor safety against loss of charge or vacuum conditions. Built with a hermetically sealed sensor and tamper proof construction, the 4 Series Klixon design offers a 100,000