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western iowa,by Denison | went to bohlman with over flow-you can get a automatic over flow or manual-I like the manual-if water is going over the overflow pipe-its not frooze-have ritchie overflow and takes twice the flow to keep them open-absolutely love this option-once set for winter they never have to break ice-if you do you just open your manual petcock some more-it takes aboot 10 gallon a hour to keep them open in 0 degree weather-dont have to worry about water lines freezing at all-because there is always water moving-we just run the overflow down a tile line that is 100ft long-and if your valve breaks all the water just goes down the overflow | |
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energy free cattle waterers
