MARS 43331 Pressure Switch R-22 You must confirm that the

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

The rugged explosion-proof housing is rated for volatile environments where natural gas boilers

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

verifying the capacitor requirements and voltage match is critical for maintaining systemic integrity

MARS 43331 Pressure Switch R-22 You must confirm that theThe 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