this OEM component ensures tight differential management and reliable long-term operation

ensuring compatibility with standard electrical boxes and simplified wiring for field technicians

Is this core compatible with R-410A and POE oil

this unit provides consistent set-point accuracy

and many obsolete models like ADFH and DFAV produced after August 1999

Heil Quaker ICP 1177660 Switch 320735-701 this OEM component ensures tightThe Heil Quaker ICP 1177660 Switch is a high reliability OEM furnace limit switch engineered for International Comfort Products (ICP) heating systems. As a critical safety component, this temperature limit switch features an auto reset design, specifically calibrated with a 150? F opening point and a 100? F closing point (L150 50 for differential logic). This HVAC replacement part is essential for preventing heat exchanger damage and ensuring system