York S1-2880-3181 Limit Switch 319852-301 If you already have a

If you already have a Gold Control or Honeywell HSI system and only need a module replacement

Compact Form Factor: Fits easily into tight control vestibules in rooftop units and unit heaters

Designed with a rising stem and a renewable composition disc

as it utilizes a 4-way pilot valve to drive the PTFE-lubricated main slide

York S1-2880-3181 Limit Switch 319852-301 If you already have aThe York S1 2880 3181 is a precision calibrated high limit switch engineered for critical thermal monitoring in residential and light commercial furnace systems. This 160F 30F limit sensor acts as a primary safety control, interrupting the gas valve or ignition circuit if plenum temperatures exceed the 160 degree Fahrenheit threshold. Featuring a 30 degree differential, this component allows for an automatic reset once the heat exchanger cools to 130