a trip is a diagnostic indicator that airflow or combustion gas removal is compromised

it utilizes 3/4" ODF suction and 1/2" ODF discharge sweat connections

Common Questions What causes a Carrier HH18HA499 to trip frequently

Common Service Questions What causes this limit switch to trip frequently

Standardized Compatibility: Fully conforms to AHRI and SAE specifications for universal fit with 3/8" refrigeration hoses

York S1-025-31812-000 Rollout Switch a trip is a diagnosticThe York S1 025 31812 000 Rollout Switch is a critical safety component designed for specific furnace burner assemblies where precise thermal monitoring is non negotiable. This 270 degree furnace switch functions as a NC (normally closed) limit that opens when excessive heat is detected outside the combustion chamber, preventing hazardous conditions resulting from flue gas spillage or heat exchanger breaches. As a manual reset rollout switch, it