Carrier HN53CB026 Contactor 30067439-890 meaning it has no thermometer

meaning it has no thermometer and no setpoint windows to maximize security

this auto reset furnace limit switch prevents short-cycling and erratic blower operation caused by restricted airflow or failing thermal sensors

This auto limit switch utilizes a precise bimetallic disc sensor to maintain system integrity

including various configurations within the YK and YT series

you must replace the valve and seat as a matched set

Carrier HN53CB026 Contactor 30067439-890 meaning it has no thermometerThe Carrier HN53CB026 Contactor is a professional grade 3 pole HVAC contactor designed for high cycle reliability in residential and light commercial applications. Engineered with a 24V coil and a 25 Amp inductive rating, this component serves as the primary switching mechanism for compressors and condenser fan motors. It is the direct OEM specified replacement for S1 024 20424 700, ensuring exact physical and electrical compatibility with Carrier,