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Water heater

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peterr View Drop Down
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Joined: 10 February 2018
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    Posted: 08 November 2019 at 15:15
Hello friends
Where do i find the water heater on the Hanse 350, and how do i secure it for the winter?

best regards peter
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JUTTER View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JUTTER Quote  Post ReplyReply Direct Link To This Post Posted: 08 November 2019 at 15:31
Hi,

in my H350 (2010) the water heater is in the port aft cabin/storage, under the wooden cover.


Claude


JUTTER, Hanse 350#0256, 2010, deep keel, Zeeland
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pjwdoyle@yahoo.com View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pjwdoyle@yahoo.com Quote  Post ReplyReply Direct Link To This Post Posted: 08 November 2019 at 23:11
My Isotemp water heater is in the location described by Jutter.

I'm in Canada, so my winterizing routine includes running non-toxic antifreeze into all of the water systems (cabin water, head, engine seawater cooling). 

In the case of the water heater, I isolate it from the rest of the water system by joining the input and output pipes that run to/from the heater with a short length of braided plumbing hose. 

I drain the heater, then close the drain valve, and use a funnel to put a few centimetres of antifreeze at the bottom of the tank.

The input and output can be reconnected to the tank at this point or in the spring.


Edited by pjwdoyle@yahoo.com - 09 November 2019 at 02:29
Phil
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peterr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote peterr Quote  Post ReplyReply Direct Link To This Post Posted: 09 November 2019 at 08:39
Thanks for your help. Here in Denmark the frost can bite hard too, so I have to do it right.

Peter
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Martin&Rene View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Martin&Rene Quote  Post ReplyReply Direct Link To This Post Posted: 09 November 2019 at 12:04
I drain the system with the cold water tap on in the galley and with the shower head switched on with the hot tap and placed on the floor in the shower tray.  When the water pump has ceased to pump water, I switch it off and then on my yacht (a 341 with the calorifier in the stern locker) I get a syphon effect as the calorifier is above the shower floor level and the calorifier basically drains into the shower tray.   

On the calorifier I fitted a section of plastic tubing that runs from the pressure relief valve and out through a small hole in the stern shower fitting, so any leakage from the valve will go overboard.  Having drained the calorifier as above, I remove the tubing and and drain the final small amount of water into a tray. 

The West coast of Scotland is not too cold in winter so that treatment is normally sufficient.  Do not forget to drain the stern shower as well by pulling it out as low as possible, as the shower heads regularly break in frost.  I fitter a quarter turn valve at the join of the rigid pipe to the flexible pipe in the stern locker so that I can isolate the shower head.
Martin&Rene Hanse 341 Dipper Wheel steering, 3 cabin layout & shallow keel, normally based in Scotland
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mojoraven View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mojoraven Quote  Post ReplyReply Direct Link To This Post Posted: 10 November 2019 at 11:29
Hej Peter,
The easiest way to drain the hot water tank, is to unscrew the air bleeder screw and turn the black knob anticlockwise on the safety valve (the valve is closed again by turning it one further step anticlockwise). Else, let the water drain and scoop it up as it fills the locker. It can take some time to fully empty the tank so be patient.



God vind


Edited by mojoraven - 10 November 2019 at 11:36
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peterr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote peterr Quote  Post ReplyReply Direct Link To This Post Posted: 11 November 2019 at 10:26
Hej and hello again.

I will see to it this week and report back to you all about the task. Thanks for the very instructive pictures, they explain the steps in a much more comprehensive way. My boat, is by the way a 2008 model with the heads in the aft port side.

Best regards Peter
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