Resideo AM100-UPEX-1LF Valve 326058-756 this is a genuine OEM

this is a genuine OEM part specifically sized and drilled for York technical specifications and should only be used in verified compatible packaged units or heat pumps

The 0453H0077GA01 is a dedicated clockwise (CW) rotation unit

Key Benefits Precise Compatibility: Engineered as a drop-in replacement for Barber Colman AT-11-399 and AT-24-399

Industrial Durability: Rugged metal construction and Buna-N diaphragm rated for temperatures from 0°F to 125°F

Resideo AM100-UPEX-1LF Valve 326058-756 this is a genuine OEMAs a seasoned technician, you know that consistent temperature control is the backbone of any reliable hydronic or domestic hot water system. The Resideo AM100 UPEX 1LF is a professional grade thermostatic mixing valve designed for high performance scald prevention and equipment protection. Built with a lead free brass body and a specialized Teflon coating, this valve is engineered to resist aggressive mineral build up and scale, ensuring long term