When to blow out winterize turn off lawn yard sprinkler system for autumn fall winter Colorado lawn care tips how to turning off backflow preventer valve sprinklers.

Your sprinkler heads likely contain something called a “check valve” that allows water to flow back to the pipe, and you can access them by just manually pulling up your sprinkler heads.

It's that time of year when you need to turn your sprinkler system back on. Expert Denver Colorado garden advice for turning lawn sprinklers back on for springtime.