the package includes a Resideo SuperVent air eliminator with a 1-1/4 inch sweat connection

this specific Bard toggle disconnect switch eliminates compatibility concerns often found with generic aftermarket alternatives

By repositioning this jumper

paired with an EPDM rubber diaphragm

it has likely failed and requires a full HVAC limit control replacement

Resideo AM102C1070-UT-1LF Valve 321702-401 the package includes a ResideoThe Resideo AM102C1070 UT 1LF Valve is a professional grade thermostatic mixing valve designed for point of use applications requiring stringent temperature control. Featuring a 1 inch Union NPT connection, this lead free mixing valve utilizes a high sensitivity thermostatic element to blend hot and cold water supplies, ensuring a consistent outlet temperature between 70 120F. Built with a nickel plated brass body and internal Teflon coating, the unit