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 Catalina/Capri 25/250 Sailor's Forums
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 Catalina 250 head sink
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Greemo
Deckhand

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USA
3 Posts

Initially Posted - 06/01/2021 :  08:07:27  Show Profile  Reply with Quote
Hello:

We recently bought a 1996 C250. The water pump at the head sink seems to be directly connected to the air filter at the galley sink, rather than to the water tank. Of course no water is coming through. Everything seems to be installed as designed. No word about the water systems in the manual. Anyone know whatís happening?

Thanks,

Kostis

Greemo

Steve Milby
Past Commodore

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USA
5567 Posts

Response Posted - 06/01/2021 :  09:52:55  Show Profile  Reply with Quote
You don't say if your system has an electric pump or manual pumps. I don't know if an electric system was offered as an option on a new C250. I don't recall any C250 owners here saying the electric fresh water pump on their boat was factory installed. If your boat has an electric pump, I'd guess that it was an owner modification, and that it was either installed according to the pump manufacturer's plan, or possibly to the previous owner's own plan.

In either case, a pressurized cold water system can be very simple. Here's a link to an article that tells how to troubleshoot a fresh water system. https://www.boattrader.com/resources/troubleshooting-boat-fresh-water-system/

Here's an article that shows a basic plan for installing an electric fresh water system. If you omit the water heater and hot water supply lines, you can see that the basic cold water system is very simple. https://www.sailmagazine.com/diy/upgrading-the-water-systems

Personally, I don't favor a pressurized system on a small boat. Your water tank is small and an electric pump can empty it quickly. You can't just turn it on and let it run as some do in their home. A foot pump leaves both hands free, and it only runs while you pump it.

I'd guess that when you referred to an air filter you meant water filter. I suspect a line runs from the water tank to the water filter, and it's split so that one line runs to the galley sink and the other runs to the head sink. If water can be pumped from the galley sink but not the head sink, then the pump and spigot in the head probably need to be replaced.

Others here know more about this subject than I, and maybe they can help.

Steve Milby C&C 35 Landfall ("Captiva Wind"); Cal 25 ("FahrvergnŁgen")
Past Commodore
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Greemo
Deckhand

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USA
3 Posts

Response Posted - 06/01/2021 :  10:02:57  Show Profile  Reply with Quote
quote:
Originally posted by Steve Milby

You don't say if your system has an electric pump or manual pumps. I don't know if an electric system was offered as an option on a new C250. I don't recall any C250 owners here saying the electric fresh water pump on their boat was factory installed. If your boat has an electric pump, I'd guess that it was an owner modification, and that it was either installed according to the pump manufacturer's plan, or possibly to the previous owner's own plan.

In either case, a pressurized cold water system can be very simple. Here's a link to an article that tells how to troubleshoot a fresh water system. https://www.boattrader.com/resources/troubleshooting-boat-fresh-water-system/

Here's an article that shows a basic plan for installing an electric fresh water system. If you omit the water heater and hot water supply lines, you can see that the basic cold water system is very simple. https://www.sailmagazine.com/diy/upgrading-the-water-systems

Personally, I don't favor a pressurized system on a small boat. Your water tank is small and an electric pump can empty it quickly. You can't just turn it on and let it run as some do in their home. A foot pump leaves both hands free, and it only runs while you pump it.

I'd guess that when you referred to an air filter you meant water filter. I suspect a line runs from the water tank to the water filter, and it's split so that one line runs to the galley sink and the other runs to the head sink. If water can be pumped from the galley sink but not the head sink, then the pump and spigot in the head probably need to be replaced.

Others here know more about this subject than I, and maybe they can help.



Thanks, Steve. Itís the original hand-pump system. What I referred to as ďair filterĒ I guess is an air vent. Itís right next to the galley sink pump.

Greemo
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Greemo
Deckhand

Members Avatar

USA
3 Posts

Response Posted - 06/01/2021 :  10:59:40  Show Profile  Reply with Quote
quote:
Originally posted by Steve Milby

You don't say if your system has an electric pump or manual pumps. I don't know if an electric system was offered as an option on a new C250. I don't recall any C250 owners here saying the electric fresh water pump on their boat was factory installed. If your boat has an electric pump, I'd guess that it was an owner modification, and that it was either installed according to the pump manufacturer's plan, or possibly to the previous owner's own plan.

In either case, a pressurized cold water system can be very simple. Here's a link to an article that tells how to troubleshoot a fresh water system. https://www.boattrader.com/resources/troubleshooting-boat-fresh-water-system/

Here's an article that shows a basic plan for installing an electric fresh water system. If you omit the water heater and hot water supply lines, you can see that the basic cold water system is very simple. https://www.sailmagazine.com/diy/upgrading-the-water-systems

Personally, I don't favor a pressurized system on a small boat. Your water tank is small and an electric pump can empty it quickly. You can't just turn it on and let it run as some do in their home. A foot pump leaves both hands free, and it only runs while you pump it.

I'd guess that when you referred to an air filter you meant water filter. I suspect a line runs from the water tank to the water filter, and it's split so that one line runs to the galley sink and the other runs to the head sink. If water can be pumped from the galley sink but not the head sink, then the pump and spigot in the head probably need to be replaced.

Others here know more about this subject than I, and maybe they can help.



Thanks, Steve. Itís the original hand-pump system. What I referred to as ďair filterĒ I guess is an air vent. Itís right next to the galley sink pump.

Greemo
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