![]() ![]() Aside from running silently, a siphon drain has much more flow capacity because air never runs through the pipes once it gets going. This is the main shortfall of single-pipe-drain methods like the Durso and it’s siblings. The goal is that you will not only understand the Herbie design after reading this, but start to see it’s limitations.Īny time you have air and water flowing through the same drain, you’ll get noise with even low amounts of flow. For the sake of clarity, I won’t attempt to explain the Herbie and BeanAnimal designs at the same time.The Beananimal is superior in many ways including running a “dry emergency” drain (increased safety), and having much more capacity than the Herbie design. There is another similar method called the “Beananimal” drain (also named after its creator) which is slightly more complicated in design and uses 3 standpipes vs.You can choose to do things differently with certain parts of the design, but try to be aware of any risks you may be opening yourself up to when you do so. the most important thing is to understand your own setup. There are all kinds of people out there who run the system in one form or another, and they all have a slightly different opinion on how they think things should be done.It is not completely a “set-it-and-forget-it” method… It needs to be regularly inspected and properly maintained.In some cases the pipes will have to pass through the side of the tank, but the mechanics of everything will be the same. For the sake of simplicity, all of the content and diagrams describe the most simple and conventional Herbie setup, - an overflow box with standpipes coming in through the bottom. This guide explains the regular operation, each component of the design, and gives tips along the way. The difficulty lies not in the method itself, but in sifting through all those bits and pieces of info just to figure it out. As people started using the method on their tanks, many forum threads started and there are literally hundreds of posts out there about it. I don’t think the syphon is ever really starting because u don’t have the valve closed enough.The method was popularized by a thread started by a forum member “Herbie” around 2004. It depends on the plumbing configuration, size of the plumbing & how much flow the return pump is putting out, but there will be a pretty specific position u will have to have the valve for it to function properly. If it ever gets clogged that is what the emergency & open channel are for. Don’t worry about how much u have to close the valve. Do u have a ball valve or gate valve on the plumbing? Regardless, u may be surprised how much u have to have the valve closed for it to function properly. If that happens I know u need to close the valve more. ![]() What happens is when the syphon starts & empties the overflow box it sucks air so the syphon stops syphoning again. When the water in the overflow box all of a sudden drops then that is probably the syphon finally starting. If u leave the valve fully open I dought the syphon ever really kicks in. Do u have a valve on both the open channel & the syphon or only the syphon? What do u mean when u say the second pipe is partial? I assume your talking about the open channel but what do u mean by partial. ![]()
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