Use this back flow prevention valve as an atmospheric vacuum breaker to helps prevent water from siphoning back into the water supply once the water is turned off
This valve has a 3/4-in female hose thread inlet and a 3/4-in male hose thread outlet
The small drain hole on the side of the prevention valve is to release water pressure
(1 Backflow Prevention Valve Per Bag)
RECOMMENDATIONS & LIMITATIONS
When installing any irrgation system it is important to be aware of manufacturer recommendations and potential system limitations. Please be aware of the following:
The timer ( MLWT-1ZONE, MLWT-TWOZONE or MLWT-EGG) must always be the first thing attached to the faucet, then the backflow prevention valve (MLF-31),regulator (MLA-58 or MLD-25PR),filter (MLFF-41), and then the vinyl faucet adapter
Inspect system regularly
