MARS 43331 Pressure Switch 322057-301 technicians can avoid the safety

technicians can avoid the safety risks associated with mismatched aftermarket controls and ensure a seamless fuel source adjustment during installation or service calls

Engineered as a direct OEM replacement motor control

verify that your specific application does not require a separate humidity-sensing element such as the OE265 or OE217 series

Precision Calibration: Easily adjustable set points ranging from 0

MARS 43331 Pressure Switch 322057-301 technicians can avoid the safetyThe MARS 43331 Pressure Switch is a professional grade high pressure cutout designed for heavy duty HVACR applications. Engineered for precision, this SPST normally closed control features a fixed setpoint that triggers an open on pressure rise at 400 PSI and provides an automatic reset when system pressure drops to 300 PSI. This encapsulated pressure control is built to withstand harsh environments, utilizing a hermetically sealed sensor to ensure