Always verify the wiring diagram on the unit's cabinet

the Carrier HH79NZ043 is specifically engineered to communicate with the advanced logic boards found in multi-stage and variable-speed systems for precise throttle adjustment

budget-friendly digital upgrade for older mechanical units

we recommend checking the condition of the existing blower-to-flue gaskets during installation for a gas-tight seal

maintaining the same center-to-center dimensions for easy installation

United Electric 10-C12 Pressure Switch 322027-701 Always verify the wiring diagramThe United Electric 10 C12 Pressure Switch is a compact, industrial grade pressure switch engineered for dependable pressure monitoring and control in HVAC, refrigeration, hydraulic, pneumatic, compressor, and process control applications. Featuring an adjustable 30600 PSI pressure range, SPDT switching contacts, and a durable NEMA 4 enclosure, this miniature pressure switch is designed to provide reliable performance in demanding indoor and outdoor