Social Studies, 19.11.2020 21:00 aliviadushane

HELP ME PLZ What does a "backflow preventer device" do? a
Keeps your irrigation system clear of sand and insects?
b
Prevents super high water pressure?
c
Keeps drip nozzles from being blown off the tubing?
d
Stops water from flowing back into the house water and contaminating it?

Answers: 3

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HELP ME PLZ What does a "backflow preventer device" do? a
Keeps your irrigation system clear...