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Is my UFH broken!

Discuss Is my UFH broken! at UK Plumbers Forums; Hi I moved into a house with UFH installed in one room a few months back. Now the weather is getting cooler I've turned it on for the first time ...
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    Default Is my UFH broken!

    Hi

    I moved into a house with UFH installed in one room a few months back. Now the weather is getting cooler I've turned it on for the first time and not convinced its working.

    When on and room below thermos temp, everything seems to work boiler lights and I can fee the pipes from the manifold going under the floor are warm. When one there are also some banging/sloshing noises from the pipes to the hot water cylinder! But no real sign of the room heating, maybe 1 degree after 2 hours and I suspect that's down to ambient temp not the UFH!

    Is there anything I can check/test to confirm?

    Thanks

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    Default Re: Is my UFH broken!

    Maybe air have you tried airing the system ?
    IMPORTANT:
    Carbon Monoxide can be produced when ANY fuel is burnt, including oil, gas, wood and coal.

    Want gas safety or boiler repair advice? :
    Please supply your Gas Safe / Oftec / Hetas Number, DIYers, odd job people and have a go heroes need not apply, and remember any fuel burning appliance can kill


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    Default Re: Is my UFH broken!

    Have you left it on for long enough ?
    It won't warm up like a radiator !

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    Default Re: Is my UFH broken!

    As above underfloor heating is a more consistent constant heat to maintain your room at the set temperature. It's not a blast out of heat like a convector
    IMPORTANT: Carbon Monoxide can be produced when ANY fuel is burnt, including oil, gas, wood and coal.


    GSR? Want gas safety or boiler repair advice? We will check out that you're genuine via the gas safe website, so please dont be offended when we ask for your details. DIYers, odd job people and have a go heroes need not apply.

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    Default Re: Is my UFH broken!

    Quote Originally Posted by ShaunCorbs View Post
    Maybe air have you tried airing the system ?
    I think you might be right and it's air. I think that would explain the banging as well

    Thank
    Uheat – Wojtek likes this.

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    Default Re: Is my UFH broken!

    Vent it out and give it a couple of days to settle.
    Uheat – Wojtek likes this.

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    Default Re: Is my UFH broken!

    Hi Jason,

    I would agree with other guys who mentioned about air in the system.
    Try to get rid of the air, don't know what system you've got and whether there's any air vents on the manifold.

    Do you know how the system has been installed? Screed, overlay etc?
    UFH takes some time to warm up so you won't feel any difference if you just turn on the heating for a short period of time.
    If it's in screed you have a flow temperature of 40-45 deg C which has to warm up the slab first and that takes time.

    Hope you will get this sorted.

    Thank you

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