Backflow Preventer: How to Prevent a Freeze

The backflow preventer is an important element of your irrigation system, keeping drinking water safe. It's also quite sensitive to overnight freezes. Sean Mullarkey of TriState Water Works explains that it's not unusual in the Cincinnati area to have late spring or early fall freezes that happen after sprinkler spring start-up or before winterization. If there's a freeze in the forecast, follow these two easy steps to protect your backflow preventer.