310664 is identical to 310664/U

Always verify that your flare is generated correctly to maintain seal integrity

Common indicators include intermittent furnace cycling

OEM Compatibility: Direct fit for York

it ensures structural integrity when working with copper

Trane HUS1207 Plastic Plug 310664 is identical to 310664/UThe Trane HUS1207 is a precision engineered 6 pin plastic plug designed for critical electrical terminations within Trane HVAC systems. Built for the rigors of field service, this genuine OEM replacement part ensures reliable electrical connections between wiring harnesses, control modules, and sensors. Its heavy duty plastic construction provides high impact resistance and dielectric insulation, maintaining circuit integrity in demanding residential