this industrial-grade component is designed to manage fuel gases with a flow capacity of 5

Applying 115V will result in a failure to start and potential winding damage

set your multimeter to the microamp (µA) scale and connect it in series between the flame sensor and the control module

Always check for obstructions in the flue or moisture buildup in the pressure tubing before replacing the switch

Key Technical Benefits: OEM Compatibility: Precision-engineered for direct replacement in McQuay and Daikin HVAC units

Carrier HH12ZB140 Limit Switch 326010-701 this industrial-grade component is designedMaintain 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