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Is it possible to add both a inhibitor and silencer to the central heating system at the same time or would I need to wait a few weeks before adding each? My boiler guy recently flushed the new boiler system but it's been making loud kettling/banging noises, and I'm not even sure if he added a...

Hi All, I have a Vaillant Ecotec Plus 837 installed 5 months ago. The hot water works fine but all the radiators are only lukewarm even though I have set the thermostat to 35 degs and the flow temperature to 75 degs. I have checked each radiator and there is no air. The flow temperature does...

I'm have no experience in plumbing so please don't bite My builder suggested I upgrade my existing 15mm water connection to 25mm which has been done and fitted, however looking at the internal stopcock it receives at 25mm MDPE connection however drops back down to 15mm again and goes to...