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 Butterfield, MN | It's going to depend on the speed the valve travels from all the way closed to all the way open when 12 volts and ground are applied to it. If it's about 3 seconds, that's a fast valve. If it's around 8 seconds, that's a standard valve. Good starting cal for a standard valve is 2123, and 743 for fast valve. Either way, if you get the "wrong" cal number entered, it won't wreck anything, it just won't control rate well. | |
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