Carrier 347015-701 Pressure Switch 326058-757 As a professional-grade modulating boiler

As a professional-grade modulating boiler inducer

This ensures high-accuracy gas flow modulation for makeup air units and space heating systems

it ensures a positive make and break even under high-cycle conditions

Always check the compressor start capacitor when replacing any start relay kit to ensure the entire circuit is within spec

How do I calibrate the zero and span for this sensor

Carrier 347015-701 Pressure Switch 326058-757 As a professional-grade modulating boilerFor technicians servicing Bryant, Payne, and Carrier furnace assemblies, the Carrier 347015 701 Pressure Switch provides a critical safety link by monitoring the negative pressure produced by the draft inducer motor. As a direct replacement for 337662 701, this OEM air pressure switch ensures the combustion process is correctly vented before the ignition sequence initiates. This furnace safety switch is engineered to exacting factory standards,