If the modulating control isn't receiving the correct voltage based on the thermostat demand

Designed specifically for dual sensor applications

High Dirt Retention: Features a 25-micron internal filter to protect the refrigerant expansion valve from solid contaminants and debris

thereby preventing internal damage

Rugged Construction: Built to withstand the high ambient temperatures common within commercial mechanical room environments

Resideo AM100-US-1LF Valve 323055-751 If the modulating control isn'tThe Resideo AM100 US 1LF is a professional grade lead free thermostatic mixing valve designed for precise domestic hot water temperature control. Built with a 1 2 inch union sweat connection, this valve features a high grade Teflon coated internal shuttle to resist mineral buildup and ensure long term reliability in hard water conditions. It operates with a temperature adjustment range of 70F to 145F, making it suitable for both scald protection and