York S1-3110-3571 Sequencer While this model (190-065) includes

While this model (190-065) includes a solid base which typically requires mounting behind the thermostat

making it an ideal OEM replacement limit switch for various furnace and air handling units

For contractors managing E3 Point gas detection systems in high-traffic or commercial environments

always use a dedicated potential relay over electronic timers or PTCR devices

this clipped sensor mounts directly onto 3/8-inch OD tubing

York S1-3110-3571 Sequencer While this model (190-065) includesThe York S1 3110 3571 Sequencer is a critical multi stage control designed for precise management of heating elements and blower motor timing in electric furnaces. This electric heat sequencer 2 stage relay prevents high amperage inrush current by staggering the activation of heating coils, effectively protecting the buildings electrical infrastructure from surge related trips. Built to exact York S1 3110 3571 specifications, this component features a