What causes a 40/10 MFD capacitor to swell or fail

This genuine OEM furnace limit switch is engineered with a 250°F fixed open temperature to prevent overheating within the heat exchanger and blower assembly

compatibility depends on the terminal configuration of the specific gas valve and control board interface

Common Questions: Is the 48J68 interchangeable with the 48J6801

and 3-inch segment paddles

Heil Quaker ICP 1320365 Limit Switch What causes a 40/10 MFDThe Heil Quaker ICP 1320365 Limit Switch is a critical OEM replacement part designed for high temperature safety monitoring in residential and commercial furnaces. This L270 20F limit switch functions as a normally closed safety device that opens the electrical circuit when internal plenum temperatures exceed the 270? F threshold, protecting the heat exchanger from thermal stress. Engineered for ICP heating equipment, it features an auto reset