Series 709DCDA Double Check Detector Assemblies prevent backflow of non-health hazard fire protection system substances from being pumped or siphoned into the potable water supply. It incorporates a meter to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. Its compact epoxy coated cast iron unibody and modular check design facilitate simple and easy installation and maintenance. Maximum Working Pressure: 175psi (12.06 bar).
"Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only."