[C320-list] Electric bilge pump rating.

[Marek Fluder]

Thank you Stephen.
The spec on the pump says 2.8 GPM.
It is Jabsco 37202-2012.
The hose is 3/4 ", so not designed for great flow to start with, even if
the pump was replaced.
What is the hose diameter for your pumps?
Thanks again,
Marek


On Sat, Apr 19, 2014 at 5:19 AM, Stephen Cox <scox at timmin.com> wrote:

>
> What is the desired bilge pump rating?
> I am looking at a hull built in 2005 and Catalina has installed 2.8 GPM
> pump
> at the factory.
> Is this sufficient?
>
> -----------------------------
>
> Are you sure its 2.8 GPM?  That's very small.  I'd be nervous on a boat
> with
> a bilge pump that size even if tied to the dock.
>
> Have a look at http://www.boatus.com/foundation/guide/boat_8.html and read
> the third paragraph about water flow through a two inch hole.  Then think
> about what pump size you think is needed.
>
> My 2007 build Catalina Mk II came with an 1100 GPH bilge pump.  That
> translates to 18.3 GPM.  I fitted another pump as a backup with its own
> float switch set a bit higher as a backup and it is rated at 2060 GPH.  If
> you need a second pump to pump then you need it to be able to pump a lot.
> Note that even with these pumps a two inch hole is going to win out.
>
> Stephen Cox
> Tegwen #1141
>
>