Carrier HH18HA187 Limit Switch Using it in a horizontal

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

For technicians managing building automation systems

Professional Grade Sealing: High-density material composition prevents gasket "blow-out" during high-velocity circulator pump operation

Measuring 25 inches in length

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

Carrier HH18HA187 Limit Switch Using it in a horizontalThe 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