Superior Precision: Molded deep-convolution diaphragm and 6:1 lever ratio provide the sensitivity of larger regulators in a smaller footprint

Built with durable screw terminals

When carbon buildup or oxidation occurs on the probe

Constructed from high-strength

meeting stringent safety requirements for commercial gas trains

Carrier 330389-703 Plug Harness 340155-7026 Superior Precision: Molded deep-convolution diaphragmThe Carrier 330389 703 Plug Harness Assembly is a critical wiring component engineered for precise integration within Carrier RVS units and commercial HVAC control circuits. As a direct OEM replacement wire harness, this assembly ensures low resistance electrical continuity and signal integrity between the system controller and various operational sensors or actuators. Designed to withstand the thermal stress and vibration common in rooftop