How to Winterize Your Lawn Irrigation System | Inside & Outside Steps to Help Prevent Freeze Damage

When temperatures drop, your lawn irrigation system needs to be properly winterized to prevent costly freeze damage. In this video, Aspen Lawn & Pest Control shows how to shut off and drain the water supply to your irrigation system and release pressure from the backflow preventer — helping protect your system before the first hard freeze. 💧 What You’ll See in This Video: Turning off the irrigation water supply inside the home Draining the main irrigation line Opening the test ports on the outdoor backflow preventer Relieving vacuum pressure and removing trapped water Final draining steps to ensure your system is ready for freezing temps ⚠️ Note: This video covers only the backflow and supply shut-off portion of the winterization process. Your sprinkler lines and heads still need to be blown out with compressed air to complete the full irrigation winterization.