Description
Mars 43353 SPST Auto-Reset Pressure Switch
The Mars 43353 is a Single Pole Single Throw (SPST) auto-reset pressure switch engineered for dependable pressure monitoring and control in HVAC and refrigeration systems. With an open setpoint of 75 and a close setpoint of 100, this switch provides precise differential pressure actuation to protect equipment and maintain safe operating conditions. The automatic reset function eliminates the need for manual intervention after a pressure event, reducing downtime and service calls.
Key Features
- SPST (Single Pole Single Throw) switching configuration
- Auto-reset operation — no manual reset required after pressure event
- Opens at 75 pressure setpoint
- Closes at 100 pressure setpoint
- Designed for HVAC, refrigeration, and related pressure-control applications
- Mars quality construction for long-lasting, reliable performance
Applications
- HVAC system pressure monitoring and safety cutout
- Refrigeration equipment protection
- Boiler and hydronic system pressure control
- General-purpose pressure switching in commercial and residential systems
Product Details
- Brand: Mars
- SKU: 43353
- Switch Type: SPST
- Reset Type: Auto Reset (A/R)
- Open Setpoint: 75
- Close Setpoint: 100
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