Carrier HH18HA137 Limit Switch 319847-401 Designed for seamless integration into

Designed for seamless integration into building automation systems (BAS)

For contractors managing airflow in industrial environments

High-Temperature Reliability: The Class F coil is rated for higher thermal limits

ideal for small to mid-sized residential zones

making it ideal for quick field replacements and reducing the risk of heat damage to surrounding components

Carrier HH18HA137 Limit Switch 319847-401 Designed for seamless integration intoThe Carrier HH18HA137 Limit Switch is a critical safety component designed for precise thermal monitoring within furnace heat exchangers. This OEM Carrier replacement part features an automatic reset mechanism with a cutout temperature of 130F and a cut in differential at 90F. Engineered for high cycle reliability, the HH18HA137 limit control ensures the blower motor and burner assembly operate within safe thermal parameters, preventing structural