Leaving Water in a Hot Water Service

Submitted: Thursday, Jan 10, 2013 at 21:01
ThreadID: 99917 Views:1714 Replies:5 FollowUps:1
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Hi. I have a new Jayco Outback Discovery with an electric/gas hot water system.
I have just returned home after a week away.

My question is - do I leave water in the hot water tank while the van is in storage or is it better to drain it beforehand? It will be in storage for about 8 weeks.

Thank you.
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Reply By: Notso - Thursday, Jan 10, 2013 at 21:21

Thursday, Jan 10, 2013 at 21:21
The instructions for my Suburban say to drain it. Never have though.


AnswerID: 502182

Reply By: Peter_n_Margaret - Thursday, Jan 10, 2013 at 22:13

Thursday, Jan 10, 2013 at 22:13
Never drained our gas Truma in 8 years.

Cheers,
Peter
OKA196 Motorhome
AnswerID: 502190

Reply By: Member - Frank P (NSW) - Thursday, Jan 10, 2013 at 22:38

Thursday, Jan 10, 2013 at 22:38
Hi garytee

There are differing opinions on this, but we store our van with full tanks (including HWS). Our reason for this is when drained the tanks don't dry out, they remain wet. Add lots of oxygen from a tank full of air, a warm climate, it must promote uglies to grow. So we store with full tanks (minimum oxygen) and twice a year we sanitise the system. Again there are differing opinions on that - different subject discussed elsewhere on this forum.

If you have a clean system(ie, recently sanitised) I think 8 weeks stored full will be ok, just depart when you're ready.

If it's been a while, either sanitise and flush it now and store full then leave in 8 weeks, or store full and sanitise and flush before you go.

My thoughts only

Cheers
FrankP

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AnswerID: 502193

Follow Up By: baz&pud (tassie) - Friday, Jan 11, 2013 at 08:25

Friday, Jan 11, 2013 at 08:25
Agree with above, we use our van so much the hot water never gets cold anyway.
Cheers
Baz
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Reply By: pop2jocem - Friday, Jan 11, 2013 at 14:06

Friday, Jan 11, 2013 at 14:06
I drain the water from our Suburban gas HWS, remove and inspect the sacrificial electrode, replace if required. It's amazing how bad some of the water in NW of WA is (:0).
I then leave the HWS empty and top up the two water tanks with our tap water after flushing any water left after the trip.
Works for me.

Cheers
Pop
AnswerID: 502249

Reply By: wombat100 - Friday, Jan 11, 2013 at 16:25

Friday, Jan 11, 2013 at 16:25
Also- check that your HWS may have an anode installed.
This needs sevicing/replacement as required!!
Cheers
AnswerID: 502268

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