Watts LF757DCDA-DOSY-CFM 2 1/2 - Part of the LF757DCDA Series

Watts LF757DCDA-DOSY-CFM 2 1/2 - Part of the LF757DCDA SeriesThis 2 1 2 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality, but not toxic, 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. It is ideal for protection at cross connections identified as non health hazards such as on

NPT threaded female union inlet by NPT female outlet

UPC - 098268164824

This valve has a bronze body with 3/4 inch male NPT threaded inlet and outlet connections

This kit consists of 2 check seat O-rings

ZB415-DP-3IC

decorative trench drain system engineered to combine aesthetic appeal with dependable drainage

They both provide a high level of corrosion and rot resistance in above and below ground installations

UPC - 098268164336

It is supplied with an upstream OSY shutoff

It consists of a iron body with forged bronze inlet

Epoxy-coated cast-iron body with anchor flange and weep holes for dual drainage protection

Specifications Brand Watts EAN 098268010077 Hydronic Item Type Low Water Cut Off Lead Free Not In Scope Maximum Steam Pressure-PSI 50 Maximum Working Pressure-PSI 50 Part Number 0183821 Series SAN50 UPC - 098268010077