Watts 957N-DOSY 4 - Part of the 957 Series Z100F-3NH a membrane clamp with weepholes

a membrane clamp with weepholes to manage perimeter seepage

Vertical Instant Lock can save valuable time by instantly locking stone and other materials in place without sag or slip

Waterproof Integration & Debris Protection: Features that support secure bonding to the waterproofing membrane combined with a grate/strainer design that helps block debris from entering the drain

UPC - 098268503333

2 Body Material Lead Free Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material Reinforced EPDM EAN 098268343823 Gauge Option No Gauge High Pressure Reduced Pressure Range Does Not Apply To Product High Pressure Reduced Pressure Setting Does Not Apply To Product Inlet Connection Size 1 1/2 IN Inlet Connection Type Union Press Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Operating Temperature-Fahrenheit 180 Maximum Working Pressure-BAR 27

Watts 957N-DOSY 4 - Part of the 957 Series Z100F-3NH a membrane clamp with weepholesThis 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