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DIY HOB pvc overflow

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  • DIY HOB pvc overflow

    i was bored so...i made an overflow



    its all 1 1/2" pvc. this thing is ginormous! LOL...i tried it out and it works great so far, and it wont loose syphon during a power outage. tell me what you think

    tim

  • #2
    Be sure to screen the input(s) somehow.

    What kind of flow will it handle?

    From the looks of it though maybe cheaper to buy one pre-made than all those 1-1/2" PVC fittings.

    SteveU
    “People are very open-minded about new things - as long as they're exactly like the old ones.”
    ...Charles F. Kettering

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    • #3
      the whole thing cost maybe $20 to build, excluding the ball valve. the ball valve would make it like $30 or something.

      for the input screens i put gutter guard on it. the intake pipes on the pic are actually too short. im not sure what kind of flow it will handle. anyone know?

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      • #4
        I'm not sure how this will act due to the siphon. But a simple standpipe overflow won't handle much because of the lack of pressure driving the water. Same holds true with tanks drilled towards the top and using a bulkhead fitting for the overflow. Move that hole towards the bottom and add an "L" & riser and it really does'nt help increase the flow since there's still no water pressure driving it into the standpipe.

        SteveU
        “People are very open-minded about new things - as long as they're exactly like the old ones.”
        ...Charles F. Kettering

        Comment

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