Vokera 20-80 RS loosing water

18 Nov 2008
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United Kingdom
I have a vokera 20-80 RS Flowmatic combi boiler and when i put the heating on it dumps all the water from the over flow pipe in about 15mins .The hot water does not seem that bad but still looses some any help please ..Thanks in advance.Bri.
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Boiler well overdue a service. At this stage either put it out of it's misery or get someone in who will do a full service on it.

I bet expansion vessel will not be the only thing that has started acting up. Great boiler which responds well to a bit of TLC. Old but a great old workhorse.
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Right i would just like to thank you all .It was the expansion vessel i drained the system and pumped it up and its running ok just i little drip from the safety valve think that might want changing thanks again .Bri..

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