Cold weather freezes the ground and the air. Your sprinkler system keeps your lawn healthy. Winter can do major damage to your home if you don’t prepare for it properly. This means insulating your sprinkler system. Shut off water supply and wrap pipes in foam insulation tape . And drain every drop of water from your pipes. What you will need is an air compressor,air hose and a host adapter. Here we will discuss the dangers and methods to winterize your sprinkler system.
Water can be the most powerful force in the world over time. When water freezes it expands. This damages any pipes. Which is bigger problems further down the line.Sprinkler systems are expensive to replace. Also it will require a huge section of your yard to be dug out. If you are using compressed air to winterize your sprinkler system you must wear safety glasses. Compressed air can cause blindness at point blank range. Also don’t stand over any irrigation components . There are 3 main methods to drain your pipes manual drain, auto drain, or blowout.
The is a common method to winterize your sprinkler system. There are manual valves are located at end and low points of the piping system. First shut off the irrigation water supply. Open every manual drain valve. Once the water is drained. Open the boiler drain valve. If you sprinkler system has check valves lift sprinklers to force every drop out. Once you see all the water is gone close the manual valves.
This is automatic draining of valves. When piping pressure dips below 10 PSI the drain valves will open. This isn’t entirely automatic you need to shut off the irrigation water supply. Open the boiler drain valve and drain the remaining water.
Compressed air can be a powerful tool in the right hands. For this method use both safety glasses and an air compressor with a CFM rating of 80-100. First close off the irrigation supply. Then close the compressor valve and attach the compressor to the mainline. This is the trick part shut every backflow isolation valve and slowly release the compressor valve. Observe the pressure level make sure it stays below the max pressure specs.Activate every zone far from the compressor and slowly move towards the compressor.Once the sprinkler system is dry, disconnect the compressor and release any remaining air.
In Event Of Snow
Winter storms can leave 7 inches or more of snow. North Carolina will be facing a winter storm soon. Given the nature of the soil in North Carolina. Any type of precipitation doesn’t drain well into the soil. As long as your pipes don’t have water they won’t freeze over. Winterize Sprinkler System solely to prevent pipes from freezing. After significant snow fall snow mold, frozen pipes and compacted soil are some of the problems you will face. Wait until your lawn thaws to take action. Rake away any dead leaves or plants . If you notice snow mold rake it off. Compacted soil needs to be aerated.