7. Open the Compressor Valve With everything ready to blow, shut off the backflow valves and open the valve on the air compressor. The air should be allowed to enter into the irrigation system at a steady rate. The air will need time to work its way through the various pipes, joints ...
Locate the sprinkler system backflow preventer. This is usually just outside an exterior house wall and close to the main system shutoff valve. Use a small flat screwdriver to turn the two test valves so their slots, which are similar to valve handles, are perpendicular to the pipe ...
If your sprinkler system is connected to your house water source, then there should be a backflow preventer that ensures sprinkler water doesn't flow into the house. Shut the backflow valve and then open the manual drain valve on the sprinkler system. The manual drain valve will allow any wa...
How to Winterize Your Sprinkler Systems To winterize your sprinkler system and get it ready for the cold winter months, follow these steps: Turn the water supply off. Depending on how your system was built, you will be able to find the main valve (sometimes called manual drain valve or...
If the valve is not installed at the highest point of the system, there may be backflow entering the valve after shut down. If backflow enters the valve, it will cause the disc to skip as it is pushed against the backflow. The result: water will come in through the inlet during start...
Blow out the system and then drain the backflow or pump. Never blow out the system through backflow or pump! After the blow out, make sure to close the manual drain. Never leave it open! 3.Insulate Your System You shut off the main valve whenever you drained the pipes, but this valve...
your system to help prevent freezing, some water can still remain and damage pipes. If all the water is not removed, you could have significant damage waiting for you in the spring.To protect your sprinklers from freeze damage, we recommend a sprinkler winterization (also known as a "blowout...
Release pressure: This prevents damage to valves and pipes. Open the test valves on thebackflow preventer(if your system has one) and the manual drain valve at the system’s lowest point. Remove filters: If your system includes filters, remove them and store them in a safe, dry place for...
5 Steps: How to Drain, Winterize Your Sprinkler System Find the manual drain valves located downstream of each zone valve. Turn off the water supply by closing the main valve in the sprinkler valve box. Open all the drain valves for each zone, and leave them open until all the remaining...
Install a valve at the lowest point on the drip system so lines can be drained in winter. If you already have an underground sprinkler system, you can purchase a kit for converting it to drip irrigation. If you're not sure how much water your system can deliver, test it by timing how...