ensuring reliable operation of the pilot and main gas valves

The Carrier HH12ZB200 Limit Switch is a critical OEM replacement part engineered for precise thermal protection in residential and light commercial furnaces

you know that a compromised York furnace limit switch isn't just a nuisance—it’s a safety violation

000 psi vacuum and pressure

with a maximum working pressure of 667 psig

Carrier HH12ZB230 Limit Switch ensuring reliable operation of theThe Carrier HH12ZB230 Limit Switch is a critical safety component designed for precise thermal monitoring in high output furnace and air handler applications. As an OEM Carrier furnace limit switch, this device features an automatic reset mechanism and is calibrated for an opening temperature range of 190F to 230F. This part is engineered to interrupt the burner or heating element circuit if the internal plenum temperature exceeds safe operating