Carrier HH12ZB140 Limit Switch 319847-401 suction connection and a 1/2"

suction connection and a 1/2" I

and Tempstar units that specify part number 1081857

A common indicator is a diagnostic code for "Pressure Switch Stuck Open

5 psi depending on the regulator body and diaphragm size

simplifying installation in tight mechanical spaces while providing superior lockup-type regulation for demanding HVACR projects

Carrier HH12ZB140 Limit Switch 319847-401 suction connection and a 1/2"Maintain peak safety and performance in your rooftop or residential furnace systems with the Carrier HH12ZB140 Limit Switch. This genuine OEM HVAC replacement part is a factory authorized L140F 40 limit switch, specifically engineered for high limit protection in Carrier, Bryant, and Payne air handlers and package units. As an auto reset limit switch with a SPST (Single Pole Single Throw) configuration, it is designed to interrupt the heating circuit