There are a few ways to winterize your sprinkler system without having to call a professional. One way is to turn off the water supply to the sprinkler system and then drain the pipes by opening up the faucet at the bottom of the system. Once all of the water has drained out, cover up any exposed openings on the pipes with insulation or tape and then close up the water supply. Another way to winterize your sprinkler system is by blowing out the valves using a air compressor. To do this, you'll need to first turn off both the water supply and power to the valves. Next, attach a hose to one of the valves and put the other end in a bucket or barrel.

There are several ways you can winterize your sprinkler system without having to pay for a professional to do it for you. One way is to turn off the water supply to the sprinkler system at the main valve. You can then disconnect the hoses from the irrigation valves and drain any water that remains in them. If your sprinkler system is on a timer, you can also set the controller to off or manual mode. This will stop the water from flowing through the pipes and help prevent them from freezing. Finally, you can insulate exposed pipes with foam insulation or pipe sleeves to keep them warm during cold weather.