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The last 2 posts

Wednesday, March 21st 2018, 11:34am

by Wet_Boots

The problem with drain valves in a northern-climate sprinkler system is that they are not necessarily going to get installed in the correct locations, when the pipes are installed without digging trenches. Pipe that's pulled into the ground with a vibratory plow does not lay at one level of burial depth. The plow blade might have to rise over rocks or tree roots, and the pipe level moves with it, and in doing so, create multiple low points in need of drains.

Better to stick with blowing out the system, especially since any backflow preventer might need some winterizing done for it, as they are not designed to require zero attention in every instance.

Wednesday, March 21st 2018, 10:31am

by loosegroove (Guest)

Auto-Drain Valve

I have an installer who wants to install a new sprinkler irrigation system with Auto-Drain valves. His main claim is that this will not require the standard blowout process to winterize each year.

I can find very little information about this type of system and it does not seem to be normal practice. Just wondering if such a system is a good idea in Northern climates and would this create a bigger headache for maintenance in the future