www.iFourWinns.com :: View topic - 288 Fresh water storage system

I am going to go out on a limb here but i'll bet he is looking at the fresh water tank and the holding tank

The filler he refers to is one for fresh water and the other is the pump out for the holding tank

There is a cross-feed pump driver by a cockpit switch.

Yeah - I think the second tank (port side) may indeed be the "holding tank". However if this is true then is it 'holding to use" rather than holding for waste!
Never seen that before.
The cross-feed sure looks factory and the switch for this is on the dash cluster (not labelled).

I will check what system draws water from each tank - I suspect the toilet does draw water from this second tank.

There's also the possibility that he's looking at a freshwater tank that is specifically for the toilet. Our 268 has 2 freshwater tanks and 2 fills from the factory and instead of the toilet flush water coming from a thru hull, it gets it from the 2nd tank.

GI Auz wrote:

There is a cross-feed pump driver by a cockpit switch.

I've often thought about switching the toilet to a thru hull and using that tank as a second freshwater tank to extend cruising....maybe that's what the owner of this boat did if it has a switch. Does the switch look factory?

Where is your second tank, and approx. what size is it?

Yeah, I hadn't thought about the head, it seems every head-system is a little different.

I have the VacuFlush, and mine pulls water from the same holding tank as the sinks (not sure why I need 3 sinks AND a transom shower.) It's the #1 source of water use on my boat.

Author:	GI Auz [ Sat Jan 10, 2015 3:29 pm ]
Post subject:	288 Fresh water storage system
Vessel I am looking a buying has 2 tanks - one portside forward in engine bay. The other fwd central in engine bay. There is a cross-feed pump driver by a cockpit switch. Each tank seems to have it's own filler - located on side opposite to tank. Does cross-feed occur automatically if one tank or the other is empty? Do some water systems draw from one particular tank? Can you choose what tank to draw from? Is there an ideal strategy to best manage water across the 2 tanks? For our longer stays on the boat I suspect water may be our duration-limiting resource, hence this interest.

Author:	alex8q4 [ Sat Jan 10, 2015 6:20 pm ]
Post subject:	Re: 288 Fresh water storage system
Check out the Four Winns web site. You can view the owners manual on line.

Author:	GI Auz [ Sat Jan 10, 2015 10:09 pm ]
Post subject:	Re: 288 Fresh water storage system
thanks - read the closest manual (2004 version 248 to 318) but it doesn't cover that detail. It has diagrams of a single tank and no mention of cross-feed or what system draws of what tank.

Author:	TimBobCom [ Sun Jan 11, 2015 4:56 pm ]
Post subject:	Re: 288 Fresh water storage system
Interesting setup, may not be factory installed as my 2005 288 Vista only has a single freshwater tank which is located centrally in the front of the engine compartment.

Author:	Thalasso [ Sun Jan 11, 2015 9:09 pm ]
Post subject:	Re: 288 Fresh water storage system
I am going to go out on a limb here but i'll bet he is looking at the fresh water tank and the holding tank The filler he refers to is one for fresh water and the other is the pump out for the holding tank

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Author:	Bliss36 [ Sun Jan 11, 2015 9:28 pm ]
Post subject:	Re: 288 Fresh water storage system
Thalasso wrote: I am going to go out on a limb here but i'll bet he is looking at the fresh water tank and the holding tank The filler he refers to is one for fresh water and the other is the pump out for the holding tank There's also the possibility that he's looking at a freshwater tank that is specifically for the toilet. Our 268 has 2 freshwater tanks and 2 fills from the factory and instead of the toilet flush water coming from a thru hull, it gets it from the 2nd tank. GI Auz wrote: There is a cross-feed pump driver by a cockpit switch. I've often thought about switching the toilet to a thru hull and using that tank as a second freshwater tank to extend cruising....maybe that's what the owner of this boat did if it has a switch. Does the switch look factory?

Author:	GI Auz [ Mon Jan 12, 2015 7:03 am ]
Post subject:	Re: 288 Fresh water storage system
Yeah - I think the second tank (port side) may indeed be the "holding tank". However if this is true then is it 'holding to use" rather than holding for waste! Never seen that before. The cross-feed sure looks factory and the switch for this is on the dash cluster (not labelled). I will check what system draws water from each tank - I suspect the toilet does draw water from this second tank.

Author:	Thalasso [ Mon Jan 12, 2015 12:30 pm ]
Post subject:	Re: 288 Fresh water storage system
GI Auz wrote: Yeah - I think the second tank (port side) may indeed be the "holding tank". However if this is true then is it 'holding to use" rather than holding for waste! Never seen that before. The cross-feed sure looks factory and the switch for this is on the dash cluster (not labelled). I will check what system draws water from each tank - I suspect the toilet does draw water from this second tank. What year 288? If the switch is not labeled,how do you know it's some kind of cross feed? I have a 07 288 and nothing like your describing.

Author:	Paul I. [ Mon Jan 12, 2015 1:36 pm ]
Post subject:	Re: 288 Fresh water storage system
I would not think (but what do I know) that there would be 2 tanks. One for the head and one for washing. Could he be talking about gray & black water tanks?

Author:	alex8q4 [ Mon Jan 12, 2015 7:01 pm ]
Post subject:	Re: 288 Fresh water storage system
Bliss36 wrote: There's also the possibility that he's looking at a freshwater tank that is specifically for the toilet. Our 268 has 2 freshwater tanks and 2 fills from the factory and instead of the toilet flush water coming from a thru hull, it gets it from the 2nd tank. GI Auz wrote: There is a cross-feed pump driver by a cockpit switch. I've often thought about switching the toilet to a thru hull and using that tank as a second freshwater tank to extend cruising....maybe that's what the owner of this boat did if it has a switch. Does the switch look factory? Where is your second tank, and approx. what size is it?

Author:	TimBobCom [ Mon Jan 12, 2015 10:18 pm ]
Post subject:	Re: 288 Fresh water storage system
Yeah, I hadn't thought about the head, it seems every head-system is a little different. I have the VacuFlush, and mine pulls water from the same holding tank as the sinks (not sure why I need 3 sinks AND a transom shower.) It's the #1 source of water use on my boat.

Author:	Bliss36 [ Mon Jan 12, 2015 10:22 pm ]
Post subject:	Re: 288 Fresh water storage system
Quote: Where is your second tank, and approx. what size is it? My second water tank is located under the mid cabin berth on the port side, and is identical in shape and size to the holding tank which is on the starboard side. I think most 268's have that space as storage which would also be really nice to have for long cruises. I think the original owner special ordered that option because they boated on a heavily silted river that I assume could cause problems with the holding tank/plumbing(?)

Author:	alex8q4 [ Tue Jan 13, 2015 8:11 am ]
Post subject:	Re: 288 Fresh water storage system
That is where my grey water tank is located.

Author:	Paul I. [ Tue Jan 13, 2015 9:23 am ]
Post subject:	Re: 288 Fresh water storage system
TimBobCom wrote: Yeah, I hadn't thought about the head, it seems every head-system is a little different. I have the VacuFlush, and mine pulls water from the same holding tank as the sinks (not sure why I need 3 sinks AND a transom shower.) It's the #1 source of water use on my boat. Same here. Some heads use sea water. The really don't need the wet bar sink, but the rest I can see. The transom shower is great if some spills anything or muddy feet.

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Author:	GI Auz [ Tue Jan 27, 2015 6:07 am ]
Post subject:	Re: 288 Fresh water storage system
Measured up my tanks. Main water tank is approx 98 litres. Auxilary (holding) tank is 72 litres. Both good for potable water. Aux feeds to Main via cross-feed pump. All looks very factory.