Carrier HH18HA449 Rollout Switch This genuine Johnson Controls replacement

This genuine Johnson Controls replacement part provides the exact tolerances required for industrial and commercial HVAC filtration maintenance

providing versatile control for HVACR equipment

this thermistor ensures the unit maintains accurate setpoints by monitoring the air entering the evaporator coil

The deep-seated threads and consistent hex sizing allow for proper torque application

Ease of Installation: Standard 2-wire 10k ohm design allows for rapid field replacement during routine maintenance or emergency HVAC repair

Carrier HH18HA449 Rollout Switch This genuine Johnson Controls replacementThe 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