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Under Sink Water Heater
Amanda_Fowler
Posts: 1 Newbie
I am going to fit an undersink 15l water heater. There are several on the market - they all come as is and don't suggest that they need an expansion vessel. Can anybody comment on this as the installations I have seen seem to all have expansion vessels connected. Are they necessary?
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Comments
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Read the installation manuals for the one(s) you are considering.
They will have specific and strict requirements on the minimum pipework lengths that must be met or a vessel fitted...
Some require a pressure relief valve is fitted (that may be supplied) and that will need venting into a drain.
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