Professional-Grade Wiring: Pre-stripped 8-inch color-coded leads simplify field connections for faster installs

This bulk pack of 25 valve cores provides service technicians with a reliable supply for routine maintenance and emergency repairs

We recommend checking restrictor flow during every seasonal calibration cycle to ensure peak performance

it is designed strictly for refrigerant pressure monitoring

Anti-Stick Properties: Simplifies future maintenance by preventing the gasket from bonding to the valve face or housing

Williams P296201 Switch Professional-Grade Wiring: Pre-stripped 8-inch color-codedThe Williams P296201 Switch is a mission critical differential temperature switch designed specifically for Williams Forsaire Counterflow top vent and Magnum High Efficiency furnace models. This genuine OEM replacement part functions as a high limit safety and blower control, featuring a fixed 165F setpoint for circuit interruption or activation, with a precise 35F differential. When the heat exchanger reaches the 165F threshold, the switch engages or