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by dannyj1984
Fri Jun 07, 2019 9:22 pm
Forum: Plumbing Forum
Topic: Fitting an External Expansion Vessel to a Vaillant Boiler
Replies: 1
Views: 2391

Fitting an External Expansion Vessel to a Vaillant Boiler

Good evening. We had an annual boiler service today and been told the expansion vessel is knackered (water leaking out of the valve). The boiler is a Vaillant and about 10 years old, so don't really want to pay the quoted price of £350 for a replacement internal expansion vessel. There is an option ...
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