Shut Supply and Drain
30 minClose main drain low points manual auto drain valves.
Field context
This workflow is part of 1 niche field
Learn irrigation winterize from scratch with a clear step-by-step workflow, recommended tools, safety guidelines, and expert tips.
Close main drain low points manual auto drain valves.
Zone by zone blow air until mist stops 25 PSI max plastic.
Indoor storage controller batteries out.
Schedule spring turn on leak walk before season.
Industry best practices for winterize.
Skip blowout — cracked pipes spring.
Backflow preventer freeze priority.
Pro worth it complex systems.