Manufacturer
How do I winterize my irrigation system?
Rain Bird
Three methods (manual drain, automatic drain, compressed-air blowout); recommends a specialist because of the risks; insulate an above-ground backflow preventer without blocking its vents. No blowout pressure is given. Page re-read on 2026-10-10.
Open the source- Consulted
- October 10, 2026
- Region
- US
- Language
- en
Cited by
What we take from it
- Rain Bird describes three ways to empty the system (manual drain, automatic drain, compressed-air blowout), recommends a specialist because of the risks, and asks that an above-ground backflow preventer be insulated without blocking its vents or drains.