Recent content by stuart1990

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    Telford Tempest unvented cylinder resonance/vibration noise

    Just thought I would update everyone having spoken to Telford. They claim this problem can occur on big systems and advised me to put a balancing valve between the flow and return. I did this and this has resolved the problem. I only opened the gate valve slightly when the vibrations started and...
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    Telford Tempest unvented cylinder resonance/vibration noise

    Is the photos able to answer as not sure!!
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    Telford Tempest unvented cylinder resonance/vibration noise

    Regarding mickyg comment. I am not a plumber so are you referring to the gate valve in the picture? Sorry not sure what you mean by " between the safety group and the cylinder inlet." If so can you please explain the problems/issues with having a gate valve there. Is it a safety issue...
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  9. Tempest

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    Telford Tempest unvented cylinder resonance/vibration noise

    The plumber is fully certified to do this installation and having delved further I found an old posting on here. //www.diynot.com/forums/viewtopic.php?t=93231&start=15 I am unsure if this worked but clearly there seems to be a problem with these cylinders.
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    Telford Tempest unvented cylinder resonance/vibration noise

    I have recently had a new Telford Tempest Unvented cylinder installed by my plumber and am now suffering noisy vibrations/resonation that sound like a whirling helicopter as soon as the hot water is switched on. This only stops when the central heating is switched on. The buzzing noise seems to...
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