Quote:
Originally Posted by mihaivapler
To be able to have a quite herbie overflow you need a valve to be able to cut down the flow so it is quite.it has to be installed on the main drain just under your union.
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Yeah, what
mihaivapler said! Personally I would recommend the valve just above the sump, this enables you to run full siphon the entire length of the pipe. Only the short section of pipe after the valve will have any air in it (which makes all the noise). Also this increases your overall water volume. A properly tuned Herbie is silent.
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http://gmacreef.com/herbie-overflow-...method-basics/
07-29-2014, 02:48 AM
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