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AuthorMessage
peterlj
peterlj

Posted: Sun Feb 06, 2011 2:38pm

Post Subject: anodes

I have a 55 ft narrowboat and I am going to replace the 2 pairs of anodes. I am led to believe that the anodes fitted are 3kg each but as the boat is new to me I dont really know.Should I have the old anodes ground off(they are welded on)or is it ok to leave them?. Peter

Tony-B
Tony-B

Posted: Sun Feb 06, 2011 3:06pm

Post Subject: anodes

From what I see it is normal to leave the old anodes on. The M C Duff website (www.mgduff.co.uk/ ) gives the technical details about anodes and also a selection chart. However the selection chart seems to recommend smaller anodes than those normally fitted to canal boats but they also say it is for two year protection rather than the possibly four years some narrowboats go between hauling out. Personally I would go with the 4 x 2.5 or 4 x 3Kg magnesium anodes for canal use. Tony Brooks

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