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Lawn Sprinkler Winterizations

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With Pacific Lawn Sprinklers there are:
  • NO PREPAYMENTS!
  • NO CONTRACTS!
And EVERY appointment is backed by our:

Pacific Lawn Sprinklers offers PAY AS YOU GO service, and you are NEVER locked into a contract. Pacific understands that most people are extremely busy and cannot be inconvenienced with missed appointments or broken promises regarding their garden irrigation system. That’s why we have the most cutting edge scheduling process that allows you to either be prescheduled automatically, phone or email in a request, or utilize our convenient online scheduling feature. We will be there when we say we will – OR WE PAY YOU!

Being located in a region where temperatures can dip below freezing for an extended period of time requires every exterior lawn sprinkler system to be winterized, blown out, and shut down at the end of the season. The process will help to assure that the coming winter and freezing temperatures do not damage your lawn sprinkler system’s components and piping. A sprinkler winterization is also known as a sprinkler shut down, fall closing, a blow out or a winter blowout. This service needs to be performed by not only a trained lawn sprinkler technician, but it requires the correct use of specialized equipment. All of the people on the Pacific Lawn Sprinklers Service Team are trained in the proper procedures to winterize and blow out any size underground lawn sprinkler, garden, or drip irrigation system. The equipment used is specifically regulated to deliver the precise amount of compressed air (based on manufacturer specifications) that will correctly remove the residual water in all of the systems’ main lines, lateral lines, manifold, and solenoid valves. When properly performed, the sprinkler heads, solenoid valves and piping will not be compromised by excess pressure or friction by an improperly regulated air compressor.

If not performed properly, damage can result to the irrigation system and will be evident the following season when the sprinkler system is started up again. That is why it is very important to avoid the seasonally advertised “SPECIAL” for this service. In the end, it will cost you more money to repair the damage done by a “DIY guy”, landscaper or handyman who is not fully licensed, insured, trained, or equipped.

October 1st thru December 15th (temperature permitting) is the optimal time window to winterize and blow out your lawn sprinkler irrigation system. Pacific Lawn Sprinkler’s Service Department will have already scheduled your planned maintenance visit and will be contacting you to remind you of that day and time window. All of the service appointments provided by Pacific are backed by our “ON TIME OR ON US GUARANTEE”. We will be there when we say we will or WE PAY YOU!

Professional lawn sprinkler blow out

Pacific Lawn Sprinklers offer UNMATCHED quality customer service:

When winterized correctly, your lawn sprinkler system will be ready to handle whatever Mother Nature throws at it over the winter season. As spring rolls around again and the temperature begins to increase, you can be assured that the friendly and knowledgeable customer service representatives at Pacific Lawn Sprinklers will be on the job ready to do it all over again.

Here’s what you can expect from the Pacific Lawn Sprinklers Team:

  1. Your prescheduled appointment will be either sent to you on a postcard or emailed to you
  2. You will be reminded of this appointment between 24-48 hours before
  3. A uniformed Pacific Lawn Sprinklers technician in a trade marked “Bright Yellow” service vehicle will arrive at your home within the time window of your scheduled appointment. They will have the proper equipment and knowledge to perform the correct procedures to shut down and winterize your home’s lawn and garden irrigation system.
  4. Your lawn sprinkler’s main water service or well supply will be shut down or disconnected.
  5. A specially regulated air compressor will be attached to your irrigation system and the system will be charged with the proper amount of forced air.
  6. Pacific’s technician will work through each individual zone completely forcing out all the residual water in the main lines and lateral lines. A mist or “whistling” will be emitting from the sprinkler heads. This is the sign that your irrigation lines have been properly winterized.
  7. A bright yellow tag will be placed on the main shut off valve notifying anyone to “DO NOT TOUCH” – the system has been winterized.
  8. Any booster pumps, well lines or filters will be drained and the electrical sources will shut down or disconnected.
  9. Upon completion of this service, your irrigation water supply will be shut down for the season and the control timer will be placed in the “rest” mode.

Lawn sprinkler system and LED lighting system
Professional lawn sprinkler winterization

Frequently Asked Questions for Sprinkler Winterizations:


What is a lawn sprinkler winterization?

  • The definition of a lawn sprinkler winterization (also known as a shutdown, sprinkler blow out, drip irrigation shut down, garden irrigation turn off, and sprinkler closing) is the process of removing all water from the pipes, backflow preventer, sprinkler heads, and fittings in your irrigation system with a regulated air compressor. This process will help to ensure the colder temperatures do not cause the irrigation components or piping to expand, freeze, or crack, leading to extensive damage.

When is the best time to winterize my lawn sprinkler system?

  • October 1st thru December 15th (depending on your region) is usually the best time to schedule the winterization of your irrigation system. Winterizing your system during this time frame is optimal because you want to winterize your sprinkler system BEFORE we experience several days of freezing cold temperatures, specifically below 32 degrees Fahrenheit.

Why should I winterize my sprinkler system?

  • When temperatures drop below freezing, the water left inside in your sprinkler irrigation lines can freeze and cause extensive damage. The winterizing process will help to assure that the coming winter and freezing temperatures do not damage or compromise your sprinkler system’s components and piping.

Can I winterize my sprinkler system myself?

  • We do not recommend homeowners to winterize their own sprinkler system because just turning off the water valve is NOT enough. Even if you drained the water out of your irrigation system, some water will remain and can freeze, expand, and crack the components and piping. A specialized air compressor will deliver the precise amount of compressed air to correctly remove the residual water in all of the systems’ main lines, lateral lines, manifold and solenoid valves. If an improperly regulated air compressor is used, you can compromise the sprinkler heads, solenoid valves, backflow preventer and piping from excess air pressure or friction.

How do you winterize a sprinkler system?

  • In order to winterize an irrigation system, you first have to shut down all of the irrigation water supply sources and leave the clock in the “rest” position. Next, a specially regulated air compressor will be attached to the irrigation system and the system will be charged with the proper amount of forced air. The technician will work through each individual zone completely forcing out all the residual water in the main lines and lateral lines. A light mist will be emitted from the sprinkler heads. This is a sign that your irrigation lines have been properly winterized.

What will happen to my sprinkler system if I do not winterize?

  • If a lawn sprinkler system is not professionally winterized, there will be water left in the main lines. This means when the weather gets colder, the remaining water in the lines will freeze and the components and pipes can crack and can cause major issues. Substantial damage to the irrigation system can result and will be evident the following season when the sprinkler system is started up again.

How much is a lawn sprinkler winterization?

  • The price of a lawn sprinkler winterization varies based on the size of the system and the system’s components – how many water supplies the system has, if there are additional lines such as a dock line or outdoor sink, etc. The standard winterization costs approximately $70 - $150 and increase based on the number of zones in the irrigation system and additional lines, if applicable.

Give us a call today or conveniently schedule the winterization of your lawn sprinkler system online

We look forward to seeing you this fall!

Pacific Lawn Sprinklers