As a direct factory replacement

it is not interchangeable with the 5-inch or 8-inch models

Ensure the total load does not exceed 1

the S1-029-25456-000 is the official direct replacement for the S1-029-20423-043 model

000 BTU capacity

Schneider Electric (Erie) VT3212 Valve Body As a direct factory replacementThe Schneider Electric (Erie) VT3212 Valve Body is a robust, 3 way mixing and diverting solution engineered for precision flow control in hydronic systems. This 1 2" sweat zone valve body features a 3. 0 Cv rating, making it ideal for high static residential and commercial applications where accurate temperature modulation is critical. Built from forged brass with a nickel plated stem and BUNA N paddle, the VT3212 is compatible with hot and chilled