My Boiler switches on in my Flat when neighbour uses water?

[RobertCG]

Hi I live in a flat and my boiler switches/water on when my neighbour uses water - how can that possibly be and how can this be fixed as very annoying as working from home at the moment.

 

[Aquarius]

I take it that it’s firing for a hot water demand? If so, there’s a possibility that a feed from your flat is in theirs. Possibly in the loft.

 

[ShaunCorbs]

Or could be water hammer would try installing a non return valve And shock arrestor by your stop tap

 

[Murdoch]

Have you spoken to your neighbour about this ?

 

[Juber khan]

Hi, I live in a flat the uses hot water pipe linked to every flats in the block. I think its due to having old style heating system and hot water tank. Its all was removed and combi boiler was installed long time ago, no issues. Since then council started installing thermostat type bath tub water mixer. These cheap thermostat does not work properly. If you turn your cold water tap and neighbours thermostat in the bathroom failed, then hot water will run from neighbours boiler to your cold system. I realised this and changed thermostat to an expensive one, what fixed the issue.

 

[Lou]

(Just bumping a few older threads, they will drop off what is new soon)

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