Fresh Water system diagram?

[pma_foyl]

I realize that many have been altered, but I was wondering if anyone had a simple schematic detailing the entire 424 fresh water system, from tanks to manifolds to water pump to accumulator (for those who have) to hot water heater, to heat-exchanger, etc.

I’m trying to figure out the simplest way to winterize my boat for a few days of travel (on a truck). I’ve been told that some of the mountain passes and high deserts between seattle and SoCal may cause freezing. I want to protect the system where needed, but would like to avoid antifreeze (altho non-tox) in places where I may not need it.

I’m thinking I could treat just one water tank (with about 10 gallons of mix) and run it through the system (all faucets, shower, hot water heater, etc.) and NOT treat the other tanks (which I’ll leave as dry as possible). This way, the pump, accumulator, shower sump, etc. should be “freeze safe”. Not sure if my logic is correct and if I could see a simple diagram, I think it would help my thought process.

Thanks,

paul

[madsailor]

Run tanks and pump dry. Use pump discharge as an entry point for compressed
air. Blow air through every faucet one at a time.

If you have a shore inlet, use that with fittings you can get from Home
Depot. Easy peasy.

Bob
On Dec 26, 2013 1:22 PM, “pma_foyl” wrote:

I realize that many have been altered, but I was wondering if anyone had a
simple schematic detailing the entire 424 fresh water system, from tanks to
manifolds to water pump to accumulator (for those who have) to hot water
heater, to heat-exchanger, etc.

I’m trying to figure out the simplest way to winterize my boat for a few
days of travel (on a truck). I’ve been told that some of the mountain
passes and high deserts between seattle and SoCal may cause freezing. I
want to protect the system where needed, but would like to avoid antifreeze
(altho non-tox) in places where I may not need it.

I’m thinking I could treat just one water tank (with about 10 gallons of
mix) and run it through the system (all faucets, shower, hot water heater,
etc.) and NOT treat the other tanks (which I’ll leave as dry as possible).
This way, the pump, accumulator, shower sump, etc. should be “freeze safe”.
Not sure if my logic is correct and if I could see a simple diagram, I
think it would help my thought process.

Thanks,

paul

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[Anonymous]

I guess the first thing I would do is call the trucking company and see if they could give you an accurate estimate of where the truck would stop after dark. They more than likely have certain places they stop when hauling oversized loads on that route. I’ll also assume your boat would have to be sitting on a mountain top on a very, very cold night to have anything inside the hull freeze enough to do damage. Personally, (with no responsibility of course) I think the odds would be in your favor of not having to do anything at all for a truck trip south on the west coast.

[RichCarter]

If you run the tanks dry and drain the water heater, you should be OK. The plastic hoses won’t break if water freezes in them.
Rich

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