Carrier HH680109 Rollout Switch 320074-702 Look for visible signs of

Look for visible signs of "swarf" or metallic debris near the hub

This specific model is supplied without the operating span lever arm and spring

The assembly is designed to integrate with the existing Frame Size 4 housing

the EK-304S ensures maximum refrigerant drying efficiency even in demanding systems using POE oil or mineral oil

and Luxaire air handlers or modular blowers

Carrier HH680109 Rollout Switch 320074-702 Look for visible signs ofThe Carrier HH680109 Rollout Switch is a critical safety component designed for furnace combustion chambers, specifically engineered to detect sustained flame rollout conditions. This 190F manual reset rollout switch features a single pole double throw (SPDT) configuration, providing reliable circuit interruption and signaling for modern HVAC control boards. As a direct OEM replacement for HH22HA189, it ensures precise thermal calibration for Carrier,