Bang noise when turning off radiator

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    • #282022

      When a radiator valve is turned off, there is a loud bang. This seems to happen on downstairs radiators and not upstairs. Is this caused by air in the heating system, or is there a possible design implication? Any ideas would be appreciated.

    • #302900

      : When a radiator valve is turned off, : there is a loud bang. : This seems to happen on downstairs radiators : and not upstairs. : Is this caused by air in the heating system, : or is there a possible design implication? : Any ideas would be appreciated.Hello Colin,I suppose it can be your ciculation pump with is overpowered , look at that pump for a switch for a lower standard. Sometimes a so called bypass will help in these cases. The bypass is simple to realise , at the most far point from your pump in the 2 pipes of your system If this is not clear to understand let me now by e-mail for an answer.greatingsPeter Tamerus Dutch teacher of plumbing in the Netherlands.

    • #309382

      : Our bedroom radiator in our apt. bangs all night : Our janitor has no solution and we are tired of being waken every night : any possible solutions would be helpful!

    • #304841

      Some radiators wont get hot when system is on, even when air has been removed by bleedingCan anyone suggest what to do?!!.

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