20mm F&F Dual Check Valve – DR Brass Backflow Preventer AVG 2NV20-20F Dispensers and effectively reduces water hammer

and effectively reduces water hammer caused by water flow suddenly starting and stopping

No tools required – simply hand tighten nuts for a leak-free seal

#304 Stainless Steel Cover

Butterfly screw: Allows easy feeding as cutting

this innovative inline trap allows you to ditch the bulky U-bend entirely

20mm F&F Dual Check Valve – DR Brass Backflow Preventer AVG 2NV20-20F Dispensers and effectively reduces water hammerEnsure the integrity of potable water systems with the Watts 2NV20 20 Dual Check Valve. Designed to prevent cross contamination from non potable sources, this valve is ideal for low hazard installations such as domestic meter connections. Featuring two spring loaded check valves, the 2NV20 20 remains closed under backflow conditions, providing dependable protection against reverse flow incidents. Key Features: Dual Spring Loaded Check Valves: Remain