Carrier 330649-701 Wiring Harness 321042-401 it includes a 1/4" OD

it includes a 1/4" OD barbed fitting for secure air line connections and supports a 25 PSI maximum control pressure

Designed for professional HVACR control applications

and 16-13/16"

Exceeding the PMO can prevent the float from opening the valve against internal pressure

making it ideal for low-pressure steam systems

Carrier 330649-701 Wiring Harness 321042-401 it includes a 1/4" ODThe Carrier 330649 701 Wiring Harness is a critical OEM replacement part designed to maintain the electrical integrity of your furnace or air handler. Engineered by Carrier to meet exact factory specifications, this HVAC wiring harness ensures seamless communication between the control board and vital system components. As a Factory Authorized Part, it features precision molded connectors and high grade insulation to resist heat and vibration, common