Heil Quaker ICP IS203655708 Pressure Switch If the internal slide mechanism

If the internal slide mechanism of the reversing valve is mechanically seized

Technicians should inspect the glass for vertical etching

ensuring the furnace high limit operates within strict manufacturer tolerances to maintain system integrity and safety during high-demand heating cycles

because International Comfort Products manufactures for several labels

Heil Quaker ICP IS203655708 Pressure Switch If the internal slide mechanismThe Heil Quaker ICP IS203655708 Pressure Switch is a mission critical safety component engineered for International Comfort Products (ICP) systems. This OEM furnace pressure switch is factory calibrated to a precise . 65 inch water column (WC) set point, ensuring the draft inducer motor maintains the correct negative pressure before ignition. Featuring a Single Pole Single Throw (SPST) configuration and a standard 1 4 inch barb connection, this switch