OEM Furnace Air Pressure Switch - Replaces Honeywell 638252, IS20101-6126 (0.15 In WC)

Is your furnace not firing up or throwing a pressure switch code?

This OEM replacement air pressure switch might be the fix.

It's designed to replace Honeywell models like 638252 and IS20101-6126.

The set point is 0.15 inches of water column (in WC), which is a common spec for many residential furnaces.

It's brand new, fits Honeywell systems, and is unbranded otherwise.

The MPN references those Honeywell numbers.

If your furnace pressure switch is stuck open or closed, swap it out with this one and get your heat back.

Simple, direct replacement part for your HVAC system.

No UPC.