Built to handle 25A resistive loads at 3000W

requiring a replacement Carrier HH12ZB250

Multi-Diameter Design: Features various well adapter diameters to accommodate diverse existing installation specs

the gasket loses its ability to reform a secondary seal

A standard thin-walled socket is recommended to ensure the orifice is seated firmly without stripping the threads or damaging the precision bore

Carrier HH18HA449 Rollout Switch Built to handle 25A resistiveThe Carrier HH18HA449 Rollout Switch is a critical safety component designed to detect and respond to flame rollout conditions in gas fired furnaces. This genuine OEM part serves as the advanced replacement for the obsolete HH18HA350, ensuring full compatibility with a wide range of Carrier, Bryant, and Payne heating systems. Engineered as a Single Pole, Single Throw (SPST) switch, it features a factory calibrated trip point of 350 degrees F. When the