Carrier HH18HA138 Limit Switch or dry fire—has been addressed

or dry fire—has been addressed

Designed to maintain the hydraulic integrity of your system

This unit is built for 5/32" OD polyethylene tubing

011" orifice size

this auto-reset limit switch features a critical temperature profile with a 130°F opening setpoint and a 100°F closing setpoint

Carrier HH18HA138 Limit Switch or dry fire—has been addressedThe Carrier HH18HA138 is a professional grade HVAC high limit switch engineered for precision thermal protection in Carrier, Bryant, and Payne gas furnaces and packaged units. As a normally closed (NC) disc style limit switch, it serves as a critical safety component by monitoring internal heat levels and interrupting the burner circuit if temperatures exceed safe operational parameters. This specific factory authorized part features an open