Ensure your fan blade pitch matches this direction to avoid reverse airflow and high amp draw

For contractors managing HVAC motor replacement projects

Common Questions Can the clock motor and the load operate on different voltages

This is an enclosed relay rated for NEMA 1 environments

If the compressor is humming but failing to turn over

Carrier HH18HA166 Limit Switch 322056-301 Ensure your fan blade pitchThe Carrier HH18HA166 is a critical safety component designed for precise thermal monitoring in residential and light commercial HVAC systems. This 160F CO Auto Limit Switch operates as a primary high limit protection device, featuring a Normally Closed (NC) circuit that opens upon reaching its fixed setpoint of 160F. As a genuine OEM replacement part, it ensures seamless integration with Carrier, Bryant, and Payne furnaces, specifically replacing the