Resideo VCZNB7400 Valve 319847-401 extending the life of the

extending the life of the reversing valve

Precise Thermal Calibration: Factory-set at 220°F to ensure high-limit protection without premature tripping

2-square-inch backlit LCD display provides electronic accuracy within +/- 1 degree

remove the fast fill lever cap and loosen the lock nut

Using a higher amperage contactor like the DP3060C5009 provides a higher safety margin and can often prolong the life of the contacts in heavy-duty cycles

Resideo VCZNB7400 Valve 319847-401 extending the life of theThe Resideo VCZNB7400 is an industrial grade 1 2" NPT three way hydronic valve engineered for precision control in closed loop HVAC systems. Featuring a 2. 7 Cv flow coefficient and a 60 psi close off pressure rating, this balanced cartridge cage valve provides stable regulation for both chilled and hot water applications, including those with glycol concentrations up to 60%. The bronze body construction and stainless steel stem ensure long term