Quote:
Originally Posted by RMoore
I'm installing a replacement holding tank. The output of the tank is on the bottom. I want to put a diverted valve right after the output of the tank so I can direct the sewage to a macerator, then to a thru-hull for direct discharge (when allowed)...or..direct the flow to a deck pump out when in a marina. The question is regarding the height of the diverted valve in relation to the holding tank outlet. Would it work if the diverted valve was located at the same height as the top of the holding tank? Or do I rely on gravity and have to locate the diverted valve at the lowest possible location (there's no way to locate the valve lower than the tank). I have heard conflicting opinions. Anybody have thoughts or experiences to share?
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I think it matters less where the valve is...but you want a deep loop down in the hose leaving the tank so the macerator can empty better without sucking air.
I believe many have done this install without a "y" valve...they just use a "T" . ...