Carrier HH12ZB280 Limit Switch THPU32HP7Y you would typically look for

you would typically look for the NC/S versions or a 4-wire variant

How do I handle the capillary tube during installation

Industrial-Grade Materials: The nickel-chromium alloy construction resists corrosion and heat deformation for extended service life in 24/7 operations

ensuring controlled startup and system integrity

Carrier HH12ZB280 Limit Switch THPU32HP7Y you would typically look forThe Carrier HH12ZB280 Limit Switch is a critical safety component designed for high temperature monitoring in Carrier, Bryant, and Payne gas furnaces and residential heating systems. This genuine OEM HVAC replacement part is engineered to open the electrical circuit when internal plenum temperatures exceed the factory defined safety threshold of 280F. It features a 40F differential, ensuring the system remains deactivated until temperatures drop to a