Watts LF709-OSY 10 - Part of the LF709 Series ZA100F-6NH UPC - 098268592269

UPC - 098268592269

This combination boiler trim out package is designed for use on commercial and residential closed loop hydronic heating systems

UPC - 098268763386

cover O-ring and a retainer wire

UPC - 098268186239

Watts LF709-OSY 10 - Part of the LF709 Series ZA100F-6NH UPC - 098268592269This 10 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure. This assembly consists of an fused epoxy coated cast iron body, outside stem and yoke resilient seated gate valves, test cocks, and a modular check design for easy maintenance with center stem