Next message: Philip: "RE: lv-ab: Holding tank vent ideas."
You need a "full" alarm on your tank. Sealand sells them. They consist of
a replacement cap for the big opening on the top of the tank (about 3" dia)
with a level switch attached. Then you make up (or buy $$$) an alarm box
with buzzer/light/switch to let you know when the tank if full.
We don't have a filter on the vent because we have a vent pipe that ends
about two feet above everyone's head.
Norm
S/V Bandersnatch
Lying Gloucester Mass
> [Original Message]
> From: Sea Quell crew. <>
> To: Livaboard <>
> Cc: <>
> Date: 7/26/2007 2:17:39 PM
> Subject: lv-ab: Holding tank vent ideas.
>
>
> I have a Sealand tank vent filter like this one:
> http://www.sealandsanitation.com/holding_tank_acc.htm
>
> At that price I'm getting a little tired of replacing them.
>
> Are there any worthwhile alternatives?
>
> Unfortunately, due to a little inattention, my waste-tank gets over-full
> once in a while. So that poor air filter becomes contaminated. Then it
> blocks with sediment. When it blocks, the tank tends to to inflate (no
> venting). An inflated waste tank is not a fun toy.
>
> There is a rise of about 4 feet to that vent filter, and I have no
> opportunity to position it higher. Also, the vent outflow is near the
> cockpit, so the odor filtering is much appreciated...
>
> I suppose I could snake the vent another 25/30 feet, many ups and downs
> to the transom. But the likelihood of plugging would be high in that
> configuration (dips in the hose would cause sediment accumulation).
>
> Any good ideas out there? Your advice is appreciated..
>
> -Neal.
>
>
>
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