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Mend Heating System Hot Water Cylinder Expansion Tank

What is usual cause of hot water coming from vent pipe into expansion tank?

Why is hot water starting to drip via vent pipe into loft expasion tank - could this be down to air in system or is their a problem with hot water cylinder? Nothing seems to be amiss, thermostats ok & no cold rads - has suddenly started. Is there some simple thing I could try?

N Saunders
March 2009
Heating, Home Heating SystemsHeating System Hot Water Cylinder Expansion Tank
could be pump problem

za
March 2009

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Hot Water in Vent Pipe - Causes & Fixes