Description
Mars 43347 18″ SPST/NO Pressure Switch Overview
The Mars 43347 is an 18″ SPST/NO (Single Pole Single Throw, Normally Open) pressure switch engineered for dependable performance in HVAC and refrigeration control applications. Designed to monitor and respond to system pressure changes, this switch helps protect equipment and maintain safe, efficient operation across a wide range of heating, cooling, and ventilation systems.
Key Features
- Single Pole Single Throw, Normally Open (SPST/NO) switching configuration
- 18″ lead wire length for flexible installation in tight or remote locations
- Designed for use in HVAC, refrigeration, and related pressure-sensing applications
- Reliable pressure-actuated switching for equipment protection and system control
- Compact, durable construction built to Mars quality standards
Application
The Mars 43347 pressure switch is well suited for use in residential and light commercial HVAC systems where accurate pressure monitoring is critical. The normally open configuration ensures the switch closes upon reaching the designated pressure setpoint, making it ideal for safety cutout and control circuit applications. The 18″ lead wire provides added flexibility during installation, reducing the need for additional wiring in confined spaces.
Why Choose Mars?
Mars is a trusted name in HVAC controls and components, known for producing reliable, field-proven products that meet the demands of professional contractors and technicians. The 43347 pressure switch continues that tradition, offering straightforward installation and consistent performance season after season.
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