this specific 143-82-021-01 part number is technically validated for the 243-8 series

this part monitors the negative pressure generated by the draft inducer motor to ensure the venting system is clear and functional before allowing the ignition sequence to proceed

The Reznor 101901 typically features a standard toggle interface with terminal connections designed for quick integration into existing HVAC control panels

C and E Models

OEM Compatibility: Specifically engineered for a flush fit with TH8110

Copeland 940-0001-88 Relay Kit 30067439-890 this specific 143-82-021-01 part numberThe Copeland 940 0001 88 Relay Kit is a critical service component designed for high torque starting requirements in refrigeration and air conditioning systems. This genuine OEM potential relay is engineered to drop the start capacitor out of the circuit once the motor reaches sufficient speed, protecting the start windings from thermal overload. As a direct replacement for the legacy 040 0166 45 model, this kit ensures seamless integration with