When temperatures drop in North Texas, it’s important to protect your sprinkler system from freezing. Even a light freeze can cause damage if water is trapped in exposed areas. The good news is — you can handle a basic winterization yourself with just a few steps. Here’s a quick guide to help you do it safely and effectively. 1. Locate Your Backflow Preventer Most homes in our area have an in-ground double check backflow preventer . It’s typically located near the water meter