1-420XL

Description

Ideal for use where Lead-Free* valves are required.
Designed for installation on potable water lines to protect
against backsiphonage of contaminated water into the
potable water supply. Supplied with an integral anti-freeze
relief valve to reduce the risk of valve damage under intermittent, non-seasonal freezing conditions. Designed for use
under continuous pressure. Assembly shall provide protection where a potential health hazard exists.