Double Check Detector Assemblies

This 8 IN double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check...

This 6 IN double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check...

This 4 IN double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check...

This 3 IN double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check...

This 2 1/2 IN double-check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic from entering into the potable water supply. Its compact housing consists of two independently operating tri-link...

This 8 inch double check detector backflow preventer assembly prevents backflow of non-health hazard fire protection system substances from being pumped or siphoned into the potable water supply. It incorporates a gallons per minute meter to detect...

This 6 inch double check detector backflow preventer assembly prevents backflow of non-health hazard fire protection system substances from being pumped or siphoned into the potable water supply. It incorporates 3/4 IN bypass with a cubic feet meter to...

This 4 inch double check detector backflow preventer assembly prevents backflow of non-health hazard fire protection system substances from being pumped or siphoned into the potable water supply. It incorporates a cubic feet meter to detect ground leaks...