Carrier HH18HA245 Temp Switch 340793-762 Cross-reference the 330423401 part number

Cross-reference the 330423401 part number with your unit’s data plate or parts manual

Mechanical Durability: Incorporates a stainless steel element cup and snap-acting contacts to prevent vibration-induced chatter in high-usage environments

allowing for an internal sensor and an additional remote sensor to monitor separate zones simultaneously

Automated Hydronic Leveling: Significantly reduces nuisance service calls by automating steam boiler water feeding in response to LWCO signals

Common Questions Is the 767A-365 a universal ignitor

Carrier HH18HA245 Temp Switch 340793-762 Cross-reference the 330423401 part numberThe Carrier HH18HA245 is a professional grade L65F 33 defrost temp switch designed for critical thermal management in residential and industrial refrigeration systems. This OEM Carrier replacement part functions by monitoring evaporator coil temperatures to initiate and terminate the defrost cycle, preventing ice accumulation that compromises airflow and system efficiency. Engineered for high reliability in demanding environments, this HVAC defrost