York S1-024-35977-000 Pressure Switch 322056-301 For contractors performing HVAC blower

For contractors performing HVAC blower motor service

What should I check before replacing this furnace circuit board

this component maintains signal integrity in ambient temperatures up to 130

This terminal assembly is engineered specifically for pneumatic-electric control environments and serves as the direct replacement for 2890-520 and MCS-S legacy models

meaning it will re-engage once the temperature falls back into the safe operating range

York S1-024-35977-000 Pressure Switch 322056-301 For contractors performing HVAC blowerThe York S1 024 35977 000 Pressure Switch is a critical OEM safety component designed for precise draft inducer monitoring within York, Coleman, and Luxaire gas fired furnaces. As a high reliability furnace air pressure switch, this part ensures the combustion blower is generating the necessary static pressure to safely vent flue gases before the ignition sequence begins. Built to exact Johnson Controls specifications, this switch prevents operation