MARS 43331 Pressure Switch R-22 this replacement gas manifold ensures

this replacement gas manifold ensures balanced pressure across the burner bank to maintain optimal combustion efficiency

or any separation between the center disc and the blades which causes clicking or whistling during the ramp-up phase

How do I identify a failing pneumatic restrictor

it is recommended to install the unit in a horizontal pipe run

You must confirm that the spring manufacturer matches your heater's existing gas valve brand before installation

MARS 43331 Pressure Switch R-22 this replacement gas manifold ensuresThe 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