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ZB415-SZ1-3IC
40 Fittings
This retrofit mounting kit
Specification Sheet - 957 (French)
It features an adjustable
Watts 774DCDA-OSY-GPM 3 - Part of the 774DCDA Series Nonwoven Fabric ZB415-SZ1-3ICThis 3 inch double check detector backflow preventer assembly prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body, thermoplastic and stainless steel check valves, and low head loss. It has outside stem and yoke shutoffs and a gallons per minute
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