Reliable Switching: High-quality internal diaphragm and contacts prevent premature failure caused by heat or moisture

5W rating ensures efficient operation and minimizes heat rise within the valve enclosure

Using the OEM York pressure switch is recommended to ensure the specific inches of water column calibration matches your unit's safety profile

preventing short-cycling of expensive equipment

While the unit is robust

York S1-026-16381-139 Blower Wheel 30067439-890 Reliable Switching: High-quality internal diaphragmFor service technicians on a call with a failing air handler or furnace, the York S1 026 16381 139 Blower Wheel is a precision engineered OEM replacement designed to restore designed static pressure. This 10x10 blower wheel features a 1 2 inch bore and is balanced for counter clockwise (CCW) rotation, ensuring quiet operation and maximum CFM output. Built with a double inlet design and single hub convex center plate, this centrifugal blower wheel