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Designed to serve as both primary and emergency overflow protection in one unit
Specifications Kit Type Complete Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268384154
stainless steel non-rising stem and cast iron handwheel
ZN415S-4NL
The Watts RD-800 is a super-large-area primary roof drain designed for heavy-duty commercial and industrial roof systems that require maximum drainage capacity
Watts 957ZRPDA-BFG-GPM 4 - Part of the 957RPDA Series nwgf Designed to serve as bothThis 4 inch reduced pressure detector backflow preventer assembly is designed to 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. Extremely compact and lighter than traditional designs it is approved for horizontal Z pattern installation.
US$ 22.95
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