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  #1  
Old 04-14-2012
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Re-routing ice box drain to thru-hull?

Hello

My partners and I just purchased a 1978 Catalina 30, which we are fixing up for a couple of weeks.

It really bugs me that the ice box drains into the bilge. There is a perfect "t" in the sink drain line that goes to the thruhull that I could tap into, and thus have the ice box drain go out the sink drain thru hull. The bottom of the ice box seems like it would be above the waterline unless we were heeled over quite a bit. I was thinking that we would just leave the sink sea **** closed while sailing, and only open it while moored/at dock and cooking.

Can anyone see any reason to not route the ice box drain line into the sink thru hull?

Thanks for your advice!
greg
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Old 04-14-2012
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Re: Re-routing ice box drain to thru-hull?

contaminants (germs) don' need a direction of flow to contaminate the ice box. bad enough it's in the bilge. I'd want to make sure it's cleaned with beach now and then for sure. You don't want any chance of sea water ever entering the ice box either. I know sinks on C30s do get it sometimes.
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Re: Re-routing ice box drain to thru-hull?

sfbaysailing:

A couple of ideas for you:

1) Route your icebox drain into a small reservior (plastic jug?) that is easily accessible, fits a nearby hidden space, for periodic dumping into the sink. Put a simple inline shut off valve in the hose between the box and the reservoir would make this operation less messy. Pros - Quick, easy, cheap! Cons - have to remember to empty the reservoir.

2) Route your icebox drain to a suitable sump container with a float switch and small bilge pump attached. Drain it into the sink with a small faucet or spout or T-it into your bilge pump overboard discharge hose with check valves installed in each hose to ensure one-way flow. Pros - can be hidden in a less accessible location, don't have to remember to dump it, etc. Cons - more involved design and installation, more expensive.

3) Route the hose into a reservoir and hook it up to a simple manual pump faucet at the sink to make emptying the reservoir easy. Pros and cons - intermediate of above.

My2cents

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Re: Re-routing ice box drain to thru-hull?

thanks for the replies so far everyone.
My big question though, is whether or not there is anything wrong with the original proposal. If there's nothing wrong with my proposed solution I'm inclined to go with it because its very easy to install and very convenient. I just want to make sure I'm not going to cause myself problems out of ignorance.....thanks for your help
greg
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Re: Re-routing ice box drain to thru-hull?

sfbaysailing:

I'm sorry. I thought Denise's post covered that and I gave some alternatives.

Like Denise I think there's plenty wrong with any open connection between a gray water discharge and your icebox. I would at least install some sort of check valve to prevent backflow into the icebox. What if you (or a guest) used the sink with the sink drain seacock closed? It could drain into the icebox without you realizing it. Draining into the bilge (which I don't like either) would be preferable to that.

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Re: Re-routing ice box drain to thru-hull?

aaaah, yes, now im following you guys. that does make sense....though it does seem surmountable.
thanks for the thoughts....
greg
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Re: Re-routing ice box drain to thru-hull?

sfbaysailing:

The worst thing about icebox drains is they let cold air (and water) escape - dramatically! Best to keep them plugged until you decide you need to drain (be whatever method you choose) and then plug it right back up again.

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Re: Re-routing ice box drain to thru-hull?

sfbaysailing:

Check out the section on meltwater in this interesting blog.

May Shrink or Fade: Sailboat Icebox Ice: The Definitive Post

Mobnets
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Re: Re-routing ice box drain to thru-hull?

sfbaysailing:
Reflecting on my last two posts, I think I'd route the drain directly to a simple, inexpensive hand pump faucet at the sink. Shouldn't need a plug at all as it would be a closed system until the pump was engaged. Quick, relatively inexpensive, and highly functional IMHO.
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Old 04-14-2012
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Re: Re-routing ice box drain to thru-hull?

sf-
Consider this. We had it on a P32 and were delighted to find the icebox drain was routed to a foot pump and separate faucet on the sink. This means that in the daytime you can pump the ice cold meltware (which will be clean if your ice box has been clean) into the sink, drop in a few cans or bottles, and have cold drinks available without any need to open the ice box--getting double duty out of your ice.
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