Questions? Give Us a Call
(678) 940-6433

Winterizing Your Sprinkler System: Backflow Prevention Guide

Winterizing Your Sprinkler System: Backflow Prevention Guide

Keep up with the latest from

Fill out the form Below

Step 1: Assembling Your Winterization Toolkit

Winterizing your sprinkler system in Plano is crucial for protecting it from freezing temperatures. Before diving into the process, let’s focus on the two essential tools you’ll need. These tools are not just helpful; they are indispensable for a successful winterization.

Must-Have: A Reliable Flat Screwdriver

A flat screwdriver is more than just a common tool; it’s your key to accessing various components of the sprinkler system. You’ll use it to open the test cocks on the backflow preventer. This simple yet versatile tool plays a critical role in ensuring you can effectively manage the small, yet significant adjustments required during the winterization process.

Key Equipment: An Efficient Air Compressor

An air compressor is the hero of the winterization process. It’s the tool that will blow out all the remaining water in your sprinkler lines, preventing any freezing. Choosing the right air compressor is vital. You need one that can deliver the right amount of air pressure. Too little won’t clear the lines properly, while too much pressure could damage the system. It’s not just a tool; it’s your safeguard against the costly damage that winter can inflict on an unprepared irrigation system.

Step 2: Pre-Winter Setup for Your Irrigation System and Backflow Preventer

Now that you have your essential tools, let’s dive into preparing your irrigation system for the chilly months ahead. This preparation is not just about safeguarding your system; it’s about giving you peace of mind that your sprinkler system will be ready for action when spring rolls around.

Cutting Off Water to the Irrigation System

The first step is critical: shut off the water supply. This action is the foundation of the entire winterization process. Locate the main water shut-off valve for your irrigation system. Turning this valve off prevents any more water from entering the system. It’s a simple yet powerful move that marks the beginning of your system’s hibernation period.

Disabling the Valve Linking the Backflow Preventer and Irrigation System

Next, focus on the valve located between the backflow preventer and your irrigation system. Turning off this valve is a strategic move. It isolates the backflow preventer from the rest of the system. This isolation is crucial because it ensures that when you start blowing out the system, the air doesn’t travel back into the preventer, potentially causing damage.

Activating Each Irrigation Zone in Sequence

Finally, run your system to complete all irrigation zones. This step might seem counterintuitive, but it’s a clever tactic. Running the system ensures that all valves are opened one last time, allowing any remaining water to escape. It’s like giving your system a final shake to ensure no water is hiding in the nooks and crannies. Once you complete this step, your system is ready for the actual winterization process, where the real magic of protecting your sprinkler system happens.

Step 3: Expelling Water Residues from Your Irrigation System

With your system prepped, it’s time to tackle the heart of winterization: removing every last drop of water from your irrigation system. As stated by Irrigation Marketing Pro, this step is more than a precaution; it’s your best defense against the freeze-thaw cycle that can wreak havoc on your sprinkler system.

Hooking Up and Starting the Air Compressor

First up, connect your air compressor to the irrigation system. This connection isn’t just about attaching a hose; it’s about setting up a lifeline that will clear out water from each line. Ensure the compressor is set to the correct pressure – usually around 50 PSI for most residential systems – to effectively clear the lines. This precise calibration is crucial to prevent any damage to your sprinkler system.

Ensuring Complete Water Drainage

Once the air compressor is humming, your focus shifts to ensuring all water is evacuated from the system. Begin at the furthest zone from the compressor and methodically work your way to the closest. This systematic approach isn’t just orderly; it ensures that each zone is thoroughly cleared. You’ll see water exiting the sprinkler heads. It’s a clear indication that your efforts are paying off, safeguarding your system from winter’s icy grip.

Powering Down and Detaching the Air Compressor

After each zone has been cleared, the crucial final step is turning off the air compressor. This action marks the completion of the most critical phase of winterization. It’s not just about turning off a machine; it’s the moment you secure your irrigation system against the cold, resting assured that it’s ready for a winter nap.

Step 4: Thoroughly Draining Your Backflow Preventer

You’ve successfully cleared your irrigation system of water, but there’s one crucial component left to winterize: the backflow preventer. This step is essential. It ensures that the device, which keeps your drinking water safe from contamination, is also safeguarded against the harsh winter elements.

Opening the Backflow Preventer Valves

Begin by opening the valves of the backflow preventer. This action is more than just a twist of a handle; it’s a strategic move to ensure no water remains trapped inside the device. Water left inside can freeze and crack the backflow preventer, leading to unexpected irrigation repairs. By opening these valves, you’re allowing any residual water to escape, effectively removing the risk of freeze damage.

Adjusting the Test Cocks on the Backflow Preventer

Next, focus on the test cocks. Opening these small valves is a critical step. It’s not just about following a procedure; it’s about giving any hidden water a path to escape. Even a small amount of trapped water can cause significant damage if it freezes. By opening the test cocks, you’re making sure every drop of water is ousted, leaving your backflow preventer dry.

Setting Valves and Test Cocks for the Cold Months

Once you’ve drained the backflow preventer, it’s important to leave the valves and test cocks in the correct position for the winter. This positioning isn’t just a matter of procedure; it’s a safeguard. It ensures that the backflow preventer is left in an optimal state to prevent any potential damage during the cold months.

Properly Insulating the Backflow Preventer

The final step is insulating the backflow preventer. This insulation isn’t just a blanket for warmth; it’s a protective barrier against freezing temperatures. Proper insulation can be the difference between a backflow preventer that survives the winter unscathed and one that succumbs to the cold. By insulating this crucial component, you’re providing an extra layer of defense, ensuring its longevity.



Read more BELOW


The 2024 virtual Men’s Round Table will be held Q4, 2024, date TBD.

2024 Virtual Men’s Round Tables

2023 Virtual Men’s Round Table was held on November 7th, 2023 via Zoom.


2024 Virtual Women’s Round Table

2023 Women’s Round Table #1 was held on October 20th, 2023 via Zoom


Chicken Salad Chick in unique position to expand

With few other chicken salad restaurants on the market, Chicken Salad Chick describes the business as “a category of one.” Chicken Salad Chick finished last year with 255 locations and expects at least 40 openings in 2024, and it envisions a total addressable market of

See Website for Details

This content (including text, artwork, graphics, photography, and video) was provided by the third party(ies) as referenced above. Any rights or other content questions or inquiries should be directed such third-party provider(s).

Receive the CCR 2024 Idustry Report

Get ahead of your Competitors with CCR's FREE Industry Insider's Report 2024!

Always stay two steps ahead of your Competitors. Stay informed with the latest in the Industry. 

This site uses cookies to ensure that you get the best user experience. By choosing “Accept” you acknowledge this and that operates under the Fair Use Act. Find out more on the Privacy Policy & Terms of Use Page