http://www.amazon.com/IA851025-Staypoollizer-Premium-Automatic-Leveler/dp/B004CO5TI8/ref=sr_1_1?ie=UTF8&qid=1354224141&sr=8-1&keywords=swimming+pool+leveler
As should be obvious, it is very easy to reproduce this simple PVC frame. In actual use, the leveler will match pool evaporation and maintain a precise level by adding very small amounts of water continuously. If you put your ear down to it, you will hear a slight hiss as it maintains an equilibrium of water.Had this model in my little garden pond for a couple of years.
Very primitive assembly, was leaking very early on and the housing disintegrated quickly.
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Bought this to keep a fountain full. Previously I had to worry all the time that the fountain would get low on water and burn out my pump. No longer have to even think about it. One great purchase.Read Best Reviews of Little Giant Rubber Trough-O-Matic® Stock Tank Float Valve TM825 Here
I purchased this for a automatic pool filler build. The valve it's self looks to be a fairly sturdy unit. It looks like the same float valve used on a similar item that sells for 114.00 elsewhere on Amazon. I made a right angle frame-holder with a tee at the end out of Schedule 40 3/4" PVC pipe. I then made a holder for the valve out of a 4 way cross piece with 2 shorter lengths of pipe also out of 3/4" PVC. I used a rat tail file to open up the vertical part of the cross piece until it would slide up & down on the down tube. I left the fit snug enough stay in place. I mounted the valve on the arms of the cross piece with 1/4" x 2" stainless steel bolts. It's not necessary but I added a 45 degree garden hose adapter to the top of the tank to reduce stress in this area and make it easier to hook up. I spent about 20 dollars for the parts including 5 dollars for the hose adapter. Build time was about an hour. If you need glue and primer for the PVC pipe figure on another 5-10 dollars. This means for a total cost of 35 to 45 dollars you can build an automatic pool filler that is comparable to a unit selling for over twice as much. I am attaching some photos of the one I built. I have an old in-ground pool with a fiberglass liner. It has a raised lip around it that required the use of a cinder block top stone but most folks probably won't have this problem.....Want Little Giant Rubber Trough-O-Matic® Stock Tank Float Valve TM825 Discount?
I purchased this to provide a ready to supply refill for a water trough in a pasture. It works as described. Seems well built although I would be interested in a metal one later.
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