Watts LF709-NRS-S-FDA-IOT 4 - Part of the LF709 Series mainline-siltfence This first check valve kit

This first check valve kit is used to repair or replace the first check on a 10 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply

Specifications Buy American Act Compliant NO Kit Type First Check Kit Lead Free NO Product Group BACKFLOW KITS UPC - 098268651508

Anti-Tilt Slotted Grate & Membrane Clamp Frame — Heavy cast iron grate resists displacement

5' x 180' Roll

Watts LF709-NRS-S-FDA-IOT 4 - Part of the LF709 Series mainline-siltfence This first check valve kitThis 4 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. Ideal for protection in continuous pressure piping applications and cross connections identified as non health hazards. This assembly consists of an fused epoxy coated cast iron body, NRS resilient