🌿 Landscaping· ⭐ Premium
Winterize Your Sprinkler System
⏱️1 hr💰$0–30🟢Intermediate⭐4.7 (143 reviews)
Blow out your irrigation lines before the first freeze to avoid cracked pipes.
Shut off the water supply
Close the main irrigation shutoff valve.
Rent a compressor
You need a 20–50 CFM compressor (most home compressors are too small). Many equipment rental shops carry them.
Blow out each zone
Connect to the blow-out port, set controller to Zone 1, and blow for 2 minutes at 50 PSI max.
Drain and insulate
Drain any remaining water and insulate above-ground components.
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