I have been paying my marina to...
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09-06-2020 05:17 AM
I have been paying my marina to winterize my SR410DA and want to do the water system myself this year. My thinking is: run pump until all water is evacuated from tank, drain and bypass water heater, put pink in the water tank (not sure how much} run all taps until a good solid flow of pink. Can anyone that that does their own winterization verify I am on the right course here. I will still leave engines and air conditioners to the marina. Thanks
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09-06-2020 06:59 AM
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09-06-2020 07:11 AM
For your inquiry, yes, drain the fresh water tank w/ taps open until only air flows. {Don't forget the head.) The water heater is the problem. On my boat it is a horizontal bottle w/ taps on the side, leaving at least a gallon within the interior. Bypassing the water heater is the common solution, to ensure all the hot plumbing gets full strength of pink.
After empty I would dump three gallons of pink into the fresh water tank, then open each tap until I got a good pink flow, including the head flush.
The theory on the water heater is that a horizontal cylindrical tank w/ spherical end caps having water in the bottom will have expanding ice rise rather than crack the tank.
Remember there are parts extending into the tank limiting that effect. These include the heater element, the over temperature sensing rod and the hot pickup tube.
On my hot tank I've diluted w/ pink and I've removed and manually drained to not have problems. All methods had no water heater problems.
For the rest of the boat, I just made a checklist to ensure everything is completed to avoid problems.
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09-06-2020 07:31 AM
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09-06-2020 07:57 AM
The interior water heater bottle is cylindrical w/ large diameter spherical end caps.
https://live.staticflickr.com/65535/48666441008_a84ed3def6_c.jpg
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09-13-2020 03:35 AM
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09-13-2020 05:21 AM
A long handled brush is used w/ powder cleaner and a garden hose to restore the tank interior to being nice and clean.
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09-13-2020 09:08 AM
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09-17-2020 12:07 PM
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09-17-2020 12:11 PM
The one on my 2000 380DA has a check valve on the output, retaining water above the check valve to the side hull fitting.
My maintenance includes periodic disassembly and cleaning of that shower sump.
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09-17-2020 01:27 PM
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09-17-2020 01:38 PM