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Moisture-Resistant Construction: Built to withstand wet conditions
This kit consists of all rubber parts necessary to repair the applicable backflow preventer assembly
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Watts 774DCDA-OSY-TS-CFM 2 1/2 - Part of the 774DCDA Series Z100F-8NH Moisture-Resistant Construction: Built to withstandThis 2 1 2 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 is designed for installation on applications identified by local authorities as non health hazard, such as on fire protection systems. This assembly consists of a compact construction and short lay length, ideal for retrofit installations and can be installed in a
