mystery TRV configuration on radiators & problems with them ?
On Mon, 14 Jan 2008 05:44:04 -0800 (PST), JB
wrote: 2. 2 of the radiators have been really problematic, kitchen and spare bedroom. They hardly get warm despite me having many attempts at correctly balancing the rads. All rads upstairs close to the pump are turned down almost fully and still heat up really quick. I've been through most of the posts and FAQs on this too. When I switch all other rads off and just keep these two on ONLY the spare bedroom rad responds and really hots up. This has a TRV on the return (as the lsv side gets hot first ???). The kitchen one only just warms a little along the top and the return stays cold and has a TRV on it. I have had both rads off the wall, flushed them (all clear) and both flow and returns are clear of blockages. The kitchen rad fails to heat even when its the ONLY one switched on. Mind blowing !!! The kitchen rad is just new last week, flow and return seem blockage free and the flow freely once the lsv and trv are opened without rad. Apologies for this dumb suggestion, but have you bled the rads? The kitchen rad failing to heat up sounds like an airlock |
mystery TRV configuration on radiators & problems with them ?
On 14 Jan, 14:09, Bovvered? wrote:
On Mon, 14 Jan 2008 05:44:04 -0800 (PST), JB wrote: 2. 2 of the radiators have been really problematic, kitchen and spare bedroom. They hardly get warm despite me having many attempts at correctly balancing the rads. All rads upstairs close to the pump are turned down almost fully and still heat up really quick. I've been through most of the posts and FAQs on this too. When I switch all other rads off and just keep these two on ONLY the spare bedroom rad responds and really hots up. This has a TRV on the return (as the lsv side gets hot first ???). The kitchen one only just warms a little along the top and the return stays cold and has a TRV on it. I have had both rads off the wall, flushed them (all clear) and both flow and returns are clear of blockages. The kitchen rad fails to heat even when its the ONLY one switched on. Mind blowing !!! The kitchen rad is just new last week, flow and return seem blockage free and the flow freely once the lsv and trv are opened without rad. Apologies for this dumb suggestion, but have you bled the rads? The kitchen rad failing to heat up sounds like an airlock I would have thought that if the kitchen radiator is getting warm "along the top", it doesn't need bleeding. But having just had a TRV fail on me ( and had the hassle of fitting isolators so that I could change it !) I will make the dumb suggestion of that being a possibility - in fact having read the post again, it would seem a distinct probability given that the pipes and radiator seem clear. Rob |
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