Pressure switches must match the manufacturer’s specified water column rating exactly to ensure the furnace operates within its designed safety parameters and draft requirements

the 47K20 provides the electrical stability required to prevent voltage drops or control failures in 60Hz systems

Discreet Design: The no-logo white plastic housing provides a professional

As the direct replacement for 026-34501-000

factory-tested solution for standard R-22 and high-pressure refrigerant applications

Lochinvar & A.O. Smith 100113125 Kit R-407A Pressure switches must match theAs a veteran tech, you know that a flickering or inconsistent pilot is often the first sign of a failing thermopile assembly. The Lochinvar & A. O. Smith 100113125 Kit is the direct OEM solution for restoring reliable ignition and millivolt production in high efficiency natural gas water heaters and boilers. This natural gas pilot burner kit features a heavy duty thermopile with tubing designed to generate the precise DC voltage required to hold the