Carrier EF32CW035 Water Column 24V 3.2 Inch Natural Gas Valve 1/2 Inch | PartsHnC

The Carrier EF32CW035 Water Column is a safety device crucial for Carrier gas furnaces burning natural gas. Typically a compact component around 1/2 inch in diameter and weighing roughly 1.44 lbs, it monitors the pressure difference between the flue gases and the surrounding environment. By acting like a switch, it ensures safe exhaust venting.