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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Central heating with no heating controls
My mother had her central eating boiler replaced a couple of months
ago, and I went up to see her for the first time last week (I know, I know, but I do phone her every week). I was amazed at what has been installed. The original system dated from the 1970s, with no room thermostats. TRVs were added later to all radiators. The new boiler has been installed, but there is no by-pass circuit, much less a valve or flow switch, so one radiator must be left on permanently. The only effective control over heat is the boiler thermostat. I don't know whether the system had a by-pass circuit before. Could there have been a flow switch in the old boiler? Putting aside the question of complying with the Building Regulations (which it doesn't), how dangerous is it to have a heating circuit entirely controlled by TRVs with no by-pass? I tried closing all the TRVs, but the boiler continued firing and I could hear the pump beginning to strain. What would happen if i had let this continue, or my mother (who's nearly 80, and a bit forgetful) decides to lower the only open TRV? -- Hugo Nebula 'What you have to ask yourself is, "if no-one on the internet wants a piece of this, just how far from the pack have you strayed?"' |
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