Description
Mars 43344 Normally Open Auto Reset Pressure Control
The Mars 43344 is a normally open (N/O), auto-reset pressure control designed for dependable pressure monitoring and protection in HVAC and refrigeration systems. With a 1/4″ port connection, an opening pressure of 15 PSI, and a closing pressure of 35 PSI, this switch provides precise, automatic pressure-activated switching without the need for manual intervention after a trip event.
Key Features
- Normally Open (N/O) contact configuration for fail-safe pressure control
- Auto Reset operation — automatically restores circuit when pressure returns to safe range
- 1/4″ port connection for easy installation in standard HVAC and refrigeration piping
- Opening (cut-out) pressure: 15 PSI
- Closing (cut-in) pressure: 35 PSI
- Compact, rugged construction built for demanding HVAC environments
- Suitable for use in a wide range of pressure control and safety applications
Applications
- HVAC refrigeration systems requiring low-pressure monitoring
- Compressor protection and pressure safety circuits
- Commercial and residential refrigeration equipment
- Hydronic and fluid system pressure monitoring
Why Choose Mars Controls?
Mars has been a trusted name in HVAC controls and electrical components for decades. The 43344 pressure control reflects Mars’ commitment to quality, precision, and ease of installation — making it a go-to choice for HVAC technicians and contractors who demand reliability in the field.
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