Wilkins: 3/4" 350XL Lead Free Double Check Assembly
Ideal for use where Lead-Free* valves are required. Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the water supply. Assembly shall provide protection where a potential health hazard does not exist.
Wilkins 3/4" - 1" 350 RP Repair Video