Carrier HH18HA187 Limit Switch The heavy-duty 2C style OEM

The heavy-duty 2C style OEM sensor configuration provides high-accuracy flame sensing

the part should be replaced

Using it in a horizontal orientation will lead to improper drainage and potential leaks

OEM Compatibility: Specifically designed for Q-Mark/Berko CWH series wall heaters

Carrier HH18HA187 Limit Switch The heavy-duty 2C style OEMThe Carrier HH18HA187 Limit Switch is a critical OEM replacement part designed for high limit safety monitoring in residential and commercial gas furnaces. This SPST normally closed disc style switch features a fixed 180 degree open setpoint and a 80 degree close reset point, ensuring the heat exchanger does not exceed safe operating temperatures. Engineered for automatic reset functionality, the HH18HA187 integrates seamlessly into the safety string