Explainer
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Do I need a backflow preventer for my sprinkler or drip system?
What backflow is, the five devices you will meet, which faucet and drip kits include one, and how permits and yearly tests…
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How deep to bury sprinkler pipe: poly, PVC or PEX
What the kit makers, irrigation designers and local rules say about burial depth, why frost matters less than you think, and how…