MARS 43330 Pressure Switch 320734-701 Enhanced Safety: Seamless construction prevents

Enhanced Safety: Seamless construction prevents cracked cells

For technicians working on Nordyne

Quiet Airflow: Advanced internal engineering reduces vibration and noise levels during startup and operation

Common Questions How do I confirm if this board fits my specific boiler or water heater

This complete humidifier replacement part includes the valve body and integrated solenoid coil

MARS 43330 Pressure Switch 320734-701 Enhanced Safety: Seamless construction preventsThe MARS 43330 Pressure Switch is a professional grade high pressure cut out designed for precise system protection in residential and commercial HVAC R systems. Engineered as a fixed setting pressure control, this SPST high pressure switch features an automatic reset (A R) mechanism, opening the circuit on pressure rise at 400 PSI and closing it back at 280 PSI. This reliable electromechanical sensor is essential for preventing compressor damage due