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BACKFLOW INFORMATION

A Backflow Preventer prevents water from traveling backwards from your sprinkler system and then back into your house.
(This water could contain fertilizers and other contaminates and is therefore a potential health risk.)

Scroll down to find how to properly set your Sprinkler Backflow for Summer and Winter

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WINTERIZATION

The cheapest and best insurance program to protect your sprinkler system in the winter is to have it blown out by a sprinkler contractor. (Like Water Ketch Inc. for example!)

If your system doesn't require a blowout, or if you just need to drain it before the blowout occurs or there is a quick freeze, follow the steps outlined below.

How to Drain Your Sprinkler Backflow

1. Turn off the water to the sprinkler system
2. Open the drains on the backflow. (See illustrations)
3. Open drain in basement.
4. Put timer through one cycle. (No water will come out, only pressure will be released)

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The drains on the backflow must be opened BEFORE a drain in the basement is opened, otherwise no water will drain out to the basement. It is the same scientific principle as when you hold your finger over the end of the straw in a cup of water and then lift the straw out of the cup. No water will come out of the straw until you release your finger off the end.

SUMMER POSITION

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Not all drains point to the side. Some point down, some point up. The following applies to brass drains on ALL different styles of backflows:

If the slot is in line with the drain, the drain is open and water will drain out.
 
If the slot is perpendicular to the drain, like a dam, the drain is closed and no water will drain out. 

The Brass slot on a brass drain will turn 360 degrees without stopping, so just get it lined up where you want it.

If the slot is plastic, and not brass, screw it all the way in to close it, and all the way out to open it.

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OFF POSITION

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