Watts 007DCDA-OSY-CFM 3 - Part of the 007DCDA Series snake fencing and 1 1/4 inch female

and 1 1/4 inch female meter thread swivel inlet by 1 inch NPT male threaded union outlet

UPC - 098268592665

combination fill valve and backflow preventer and series ETX-30 expansion tank

UPC - 098268860948

Watts 007DCDA-OSY-CFM 3 - Part of the 007DCDA Series snake fencing and 1 1/4 inch femaleThis 3 inch double check detector backflow preventer assembly prevents the backflow of non health hazard fire protection system substances from being pumped or siphoned into the potable water supply. It incorporates a cubic meter to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. It consists of a fused epoxy coated cast iron unibody, Its modular check design facilitate simple and easy installation and