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    HELP NEEDED - Central Heating / Radiators

    Hi All,

    I had a combi boiler installed a couple of years ago and have been having some trouble with it ever since.

    My spare bedrooom radiator wont come on at all - have had it on low for a year as don't use that room but the other week turned the thermastat to on and it did heat up for that night but now wont heat up at all. I've tried taking the thermastat off completely but still nothing.

    The rest of my radiators - if I turn the thermastats down on some of my radiators they go completely cold.

    Last year I had to bleed them all the time but this year no air has been trapped. Any advice would be greatly received. Thanks x

    9 Comments

    you may need to drain the radiators and put a cleaning fluid in, get a plumber. what brand is it ?, our vokera had to be reset.letmegooglethatforyou.com/?q=…+up

    If you have a thermostat on each rad, and the room isn't used much, the plunger inside the stat might have stuck in the closed position. The stat should be secured to the rad valve with a screwable ring ( no joke intended :-) underneath the body, so try undoing that then pushing the plunger up and down that will be sticking up out the valve, this might free things off?

    Each rad thermostat should be set up for the type of room it is in, i.e, bedrooms need less heat than lounges ( generally speaking ) and if that wasn't done properly then turning down the rad stat might shut that rad off completely, the best thing to do is look at the instructions for the stats see what they say.

    Original Poster

    ooh, that don't sound like fun. Did it cost much?

    I've got my boiler in the attic as I've only got a tiny house (so it's out of the way BUT it's a pain to get to). Think it's a Biasi.

    mygrumpyman - the ring was loose on the thermastat, so took it all off & re-screwed it together but didn't know about the other thing. Shall go and have a look now.

    mrsj2008;3863805

    ooh, that don't sound like fun. Did it cost much?I've got my boiler in … ooh, that don't sound like fun. Did it cost much?I've got my boiler in the attic as I've only got a tiny house (so it's out of the way BUT it's a pain to get to). Think it's a Biasi.



    It won't be the boiler, if you are getting hot water out the taps and the rads that are working heat up, it will defo not be the boiler, it is doing its job of heating up the water :-D

    A new TRV(Thermostatic Radiator Valve) is only a tenner or so, the main cost will be the fitting of it.

    Original Poster

    The thermastats are Optima B2. Couldn't see anything in it that looked as though it could move/pop.

    Thanks everyone,

    I was looking inside the thermastat for the pin and not realising it was actually the bit of pipework that the thermastat screws onto.

    W40 + hammer + turning rads off and on = FIXED. Should be toasty warm in a mo xxx

    my thermostats have a little silver pin in them. When you take the outer bit off, you can see it. They get stuck when not in use and are the bits that regulate the water flow to the rad. I usually take pliers and just jiggle it in and out a bit. Taking it out completely lets water out (but only at a trickle) and when it's really gunged up I do that carefully and push the pin back in when the water starts trickling.

    mrsj2008;3863874

    The thermastats are Optima B2. Couldn't see anything in it that looked … The thermastats are Optima B2. Couldn't see anything in it that looked as though it could move/pop.Thanks everyone, I was looking inside the thermastat for the pin and not realising it was actually the bit of pipework that the thermastat screws onto.W40 + hammer + turning rads off and on = FIXED. Should be toasty warm in a mo xxx



    Glad you got it fixed :thumbsup:

    MrGrumpyman;3880865

    Glad you got it fixed :thumbsup:



    hello sweetie :-D hope you had a great xmas, good to see you xxxxxxxxxxxx
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