75" wc (water column) monitoring in high-efficiency heating systems

Dust-Shielded Design: Features an enclosed contact housing to minimize debris accumulation and prevent "chattering" or humming

verifying the specific SPNO Close On Fall operation is essential for circuit integrity

Key Benefits Full flow design eliminates turbulence and restriction

The 370 VAC rating provides the necessary dielectric strength to handle back-EMF generated by the motor during continuous operation

Reznor 120057 Gasket Els PW 17895 75" wc (water column) monitoringThe Reznor 120057 Gasket is a critical OEM sealing component designed specifically for secondary heat exchanger access and large inner cabinet seals. Measuring 102" x 1 1 2" x 1 8", this high temperature door gasket is engineered to maintain the pressure boundary within the combustion chamber and air handling sections of high capacity units. Using a Reznor 120057 replacement gasket ensures an airtight seal on the large inner access door, preventing