This HVAC replacement part is built for durability in high-cycle environments

Where is this fuse typically located in HVAC equipment

If you are servicing a Natural Gas system

and Payne product lines

If voltage is present but the Normally Open (NO) contacts fail to show continuity

MARS 43353 Pressure Switch 324846-701 This HVAC replacement part isThe 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