Watts 957N-QT 4 - Part of the 957 Series Drain Fitting The Computer Room Drain (Z624)

The Computer Room Drain (Z624) is built to provide reliable

UPC - 098268634884

Features Ductile iron dome

high-capacity primary drainage

Watts 957N-QT 4 - Part of the 957 Series Drain Fitting The Computer Room Drain (Z624)This 4 inch reduced pressure zone assembly backflow preventer helps prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. This extremely compact and lighter than a traditional designed assembly is approved for horizontal N pattern installation