Heil Quaker ICP 1185810 Pressure Switch

The Heil Quaker ICP 1185810 Pressure Switch is a critical safety component engineered for precision monitoring of combustion air and flue gas flow in high-efficiency gas furnaces and boilers. This OEM vent pressure switch is calibrated to a specific -1.65" WC (Water Column) set point, ensuring the inducer motor is generating sufficient static pressure for safe ignition. For contractors servicing Heil-Quaker, Tempstar, and Arcoaire equipment, this component serves as a direct drop-in replacement for obsolete or malfunctioning units, including cross-references for part number 1177187. By verifying that combustion gases are properly vented, it prevents hazardous conditions and protects the control board from short-cycling. Built to meet rigorous factory specifications, the ICP 1185810 ensures proper furnace pressure switch operation and system reliability in demanding residential and light commercial HVAC applications.

• Factory Calibrated Efficiency: Precisely set to -1.65" WC to ensure accurate sensing of venting conditions and prevent nuisance trips.
• Broad ICP Compatibility: Engineered for seamless integration across Heil, Comfortmaker, and KeepRite furnace models.
• Enhanced Equipment Safety: Automatically breaks the electrical circuit if venting pressure deviates from safe operating parameters.
• Direct OEM Replacement: replaces part numbers 1185810 and 1177187 without the need for field modifications.

Common Questions

What are the symptoms of a failing ICP 1185810?
Common indicators include the furnace failing to ignite after the inducer motor starts or the control board throwing a "pressure switch stuck open" error code, often caused by a ruptured diaphragm or a blocked port.

Does this switch work with condensing furnaces?
Yes, this vent pressure switch is specifically designed for high-efficiency models that utilize negative pressure to manage flue gas discharge.

How do I verify compatibility for this part?
Contractors should match the 1185810 part number and the -1.65" WC rating found on the original switch's label to ensure proper sequencing.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.