Heil Quaker ICP 1171805 Pressure Switch 321894-709 Featuring a 44-inch outside diameter

Featuring a 44-inch outside diameter and a standard 21/32" top width

Airtight Integrity: Superior compression recovery ensures a permanent seal against moisture and unconditioned air

or the control board flashing a 2-flash or 3-flash error code related to pressure switch stuck open or closed conditions

Enhanced System Protection: Prevents compressor damage by monitoring for low-pressure fluctuations

providing the low-vibration performance required for quiet indoor air handler and furnace operations

Heil Quaker ICP 1171805 Pressure Switch 321894-709 Featuring a 44-inch outside diameterThe Heil Quaker ICP 1171805 Pressure Switch is an essential OEM safety component designed for high pressure monitoring in residential and commercial HVAC systems. Engineered to protect the compressor and sealed system integrity, this high pressure switch features a precise Cut Out (C O) at 426 PSI and a Cut In (C I) at 320 PSI. As a genuine ICP replacement part, it ensures seamless compatibility with Heil, Tempstar, Comfortmaker, and KeepRite