or high amp draws on the compressor circuit

Invest in this authentic industrial HVAC controller to restore factory-standard performance and optimize total system efficiency

Is the 171702 compatible with manual reset requirements

What is the difference between the 764-742 and the 764-702

it is specifically engineered for continuous operation in building automation systems (BAS) and industrial control environments

Carrier HH18HA199 Limit Switch 340155-7024 or high amp draws onThe Carrier HH18HA199 Limit Switch is a critical safety component designed for high temperature monitoring in HVAC induction combustion furnaces and residential heating systems. This genuine OEM replacement part is calibrated to trigger at a fixed 200 degree opening temperature, automatically interrupting the electrical circuit via its SPST (Single Pole Single Throw) configuration to prevent heat exchanger damage or hazardous rollout conditions.