Carrier HH12ZB140 Limit Switch 321894-708 How do I adjust the

How do I adjust the pressure set point

this is the standard Watts valve rebuild kit for the 1

This kit is specifically engineered for full compatibility with Barber Colman TK-2000

Built to maintain tight temperature tolerances

OEM Precision: Direct replacement for part number 591-391-862

Carrier HH12ZB140 Limit Switch 321894-708 How do I adjust theMaintain 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