Williams P296201 Switch or 45-second ignition trials

or 45-second ignition trials

extending the service life of expensive electrical components

provided the ambient temperature and humidity remain within the 5% to 95% non-condensing range

Simplified Integration: Standardized mounting footprint and terminal configuration allow for fast field replacement during service calls

Williams P296201 Switch or 45-second ignition trialsThe 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