Heil Quaker ICP 1171900 Limit Switch 320720-756 you must use the manufacturer-specified

you must use the manufacturer-specified NG equivalent to avoid hazardous manifold pressure levels

Durable Construction: Built to withstand the high-cycle demands of modern residential HVAC units

this OEM replacement part is critical for preventing premature mechanical wear and ensuring long-term hydraulic system reliability in demanding cooling applications

maintaining the same form factor and direct acting humidity sensor specifications for easy field replacement

streamlining your service inventory

Heil Quaker ICP 1171900 Limit Switch 320720-756 you must use the manufacturer-specifiedThe Heil Quaker ICP 1171900 Limit Switch is a mission critical safety component designed for International Comfort Products (ICP) heating systems, including Heil, Tempstar, and Comfortmaker units. As a veteran grade OEM limit switch, the 1171900 is calibrated with a precise 165 degree cut out and a 115 degree cut in (165 50) temperature profile. This thermal disc switch is engineered to prevent heat exchanger damage by interrupting the burner circuit