Heil Quaker ICP 1179340 Limit Switch R-407A technicians should verify if additional

technicians should verify if additional drain fittings or secondary overflow switches need to be harvested from the existing assembly or replaced during the service call

Applying higher voltage will cause immediate failure of the internal windings

Installing it on a different model can lead to safety hazards or operational failure

providing consistent performance in variable flow hydronic systems

this is a pilot kit

Heil Quaker ICP 1179340 Limit Switch R-407A technicians should verify if additionalThe Heil Quaker ICP 1179340 Limit Switch is a critical safety component designed for precise thermal monitoring in gas fired furnaces and packaged HVAC units. This L165 40F limit control operates as a normally closed switch, engineered to open the circuit at 165? F and automatically reset when temperatures drop to 125? F. For contractors performing a furnace limit switch replacement, this OEM spec part ensures the blower assembly and heat exchanger