Watts 957N-DOSY 4 - Part of the 957 Series Z100F-3NH Ideal for elegant interiors such

Ideal for elegant interiors such as bathrooms

All options are chemically stable across a pH range of 2–13 and designed to perform in a wide range of site conditions

Z400BL-5BL-PC

and an 8″ × 8″ square adjustable top fitted with a heel-proof ductile iron grate and standard no-hub outlet for versatile piping connections

Watts 957N-DOSY 4 - Part of the 957 Series Z100F-3NH Ideal for elegant interiors suchThis 4 inch N pattern 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 installation