Hotwater Service Anodes

Submitted: Saturday, Oct 17, 2015 at 07:42
ThreadID: 130610 Views:1943 Replies:5 FollowUps:4
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We change the anode in our Caravan hotwater service every 12 months or so. Should we be doing the same for our Home hotwater service or don't they have one?
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Reply By: TomH - Saturday, Oct 17, 2015 at 08:17

Saturday, Oct 17, 2015 at 08:17
Depending on the make and type they can have one Mine has and I check it annually.

Look on the top of the cistern and see if there is a plug in the centre If so the anode is under that. Its about a metre long in mine

It is an Aquamax enamel coated steel cylinder
AnswerID: 591665

Follow Up By: Member - Rodney J2 - Saturday, Oct 17, 2015 at 08:46

Saturday, Oct 17, 2015 at 08:46
Hi Tom,
We have an Everhot 320 Gas hotwater service and there doesn't appear to be any access plug on top only a heat vent.
Regards
Rodney
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Follow Up By: TomH - Saturday, Oct 17, 2015 at 11:58

Saturday, Oct 17, 2015 at 11:58
According to this document it does have an anode. A read of the instructions maybe helpful
Description of unit
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Follow Up By: Member - Rodney J2 - Saturday, Oct 17, 2015 at 19:50

Saturday, Oct 17, 2015 at 19:50
Thanks Tom for reply but document is for an Everhot 4 Star hotwater service, ours is a Everhot 320 which is actually a 3 star and there is no mention of Anode in the Specifications or Instructions so will go and see Reeces on Monday and check with them.
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Reply By: Gronk - Saturday, Oct 17, 2015 at 11:14

Saturday, Oct 17, 2015 at 11:14
My gas hot water system at home is nearly 20yrs old and I have never thought about an anode, but either way, I won't go looking now.

If you have an instruction manual it should tell you........I've never looked at mine ??
AnswerID: 591667

Reply By: Bob Y. - Qld - Saturday, Oct 17, 2015 at 11:44

Saturday, Oct 17, 2015 at 11:44
Our Solarhart HWS has an anode, Rodney, and I got the local plumber to change it after 5 years of being on this Winton bore water. Not sure there was too much left, he said.

Depending on the water you're on, every 12 months might be overkill. But then they are cheaper than a new system. Yes, I'd say your home one would have one too.

Bob

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Can't remember most of it.

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AnswerID: 591669

Reply By: Dennis Ellery - Saturday, Oct 17, 2015 at 11:56

Saturday, Oct 17, 2015 at 11:56
We live in Perth and use a Solar Hart solar water heater.
Solar Hart service it every 5 years and at the same time replace the sacrificial anode.
It lasted 25 years and died – we replaced it with another Solar Hart.
AnswerID: 591670

Reply By: The Bantam - Saturday, Oct 17, 2015 at 14:57

Saturday, Oct 17, 2015 at 14:57
People consistently fail to change the anode in their hot water systems ..... as a result they usually fail from corrosion after about 10 ish years.

I doubt that you need to change them evey 12 months ..... but every 2 or 3 or 5 years would not be a bad idea. ..... but it is very rarely done.

Don't be surprised if you have difficulty getting one or people don't know what you are talking about.

I spoke to the ref from Saxon one time ...... told me they have an anode available as a spare part but have never sold one.

In a lot of HWS it may be impossible to replace the anode because of where the unit is installed ..... and you will need a pretty large socket and a breaker bar ... they generally come out the top and are full length.

cheers
AnswerID: 591679

Follow Up By: Phil 23 - Monday, Oct 19, 2015 at 08:03

Monday, Oct 19, 2015 at 08:03
I've been meaning to replace mine. My failed 320l unit was replaced a few years ago.
Could be 4 or 5 by now.

I did split the old one open out of curiosity, it was disgusting inside, but walls were still thick, just a lot of pitting in selected places.

As far as anode replacement is concerned, the issue of getting a full length anode into the tank in a restricted location is addressed by using flexible anodes.



Anode on Ebay
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