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Share Name | Share Symbol | Market | Stock Type |
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Radio First | RAD | London | Ordinary Share |
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Posted at 01/2/2011 22:26 by kokopelli9990 Hi Rhu,posted a couple of times on your XEL thread (are we allowed to mention XEL on the RAD thread !) Anyway, was wondering if anyone has ground source heat pumps & photovoltaics installed and what they have found re running costs compared to mains gas combi ? We are thinking of a new build (especially if XEL takeover comes soon) and have just started looking at renewables. I've sent for some manufacturers lierature. Plan on underfloor heating. The RHI stuff doesn't come into June (i think) so don't know what up front incentives will be Off to bed now, so will pick up any kind replies tomorrow. thanks |
Posted at 01/2/2011 09:17 by steve73 osi - the system should be set up so that a contact in either of the motorised valves powers the pump. i.e. at least one valve must be open to provide power to the pump. THERE SHOULD NOT BE A BYPASS.!!! (only needed on the CH circuit if you have TRV's on EVERY rad)The boiler should be independant of the pump, and have its own temperature cut out. I.e timer comes on and powers the boiler and one or both of the MV's. When one MV opens the pump runs. If the boiler gets too hot it should shut off for a short while with the pump still running through either (or both) the HW or CH systems. |
Posted at 01/2/2011 03:53 by steve73 First house I owned had the CH system piped up with the overflow to the expansion (header) tank coming off after the pump, but the feed in from the header tanks in before the pump.Worked OK until I fitted TRV's to all (except one) radiators, then as the TRV's closed down the flow of hot water got directed up into the overflow tank with the same problems as Rhu mentioned of steam condensing in the roof space and dripping on the ceilings. Easy enough to fix though once I went up into the roof space and saw what was happenning, although a local plumber (with a small "p") that I called out had no idea, by repiping the overflow and return to the same side of the pump. I've since fitted 4 hot water CH systems (except the final gas connection - leave that for a CORGI) with no problems. Rhu - your problem sounds as if that one radiator has been fitted in series to a parrellel system. i.e. the errant rad is piped with both inlet and outlet to the supply (or return) pipework, rather than between them. And if anyone wants to knowmy credentials - I'm an ex-Process Engineer so very experienced in piping up complete refineries, petrochem, platforms, etc. GL. |
Posted at 31/1/2011 23:55 by aj the red Reading back through the various posts i can only think that its piped wrongly.Every other rad works 2 pipe system (flow and return) 15mm rarly blocks Rad clear Flow and return flow well(like our xel :) Its also not getting hot when everything else is off its got to be piped wrongly or the rad is partially blocked somehow(longshot)If you flow both sides 1 at a time out of the drainoff on the radvalve into a bowl it will prove the the water is flowing through the rad ( you should be able to tell by how well it flows) As you know its difficult to diagnose over a forum if i come up with anything else i will post cheers |
Posted at 29/1/2003 18:29 by corrientes Won't the the market decide the opening price,which may not necessarily be 3P ?I am in an almost identical position to yourself,and whilst the thought of averaging down is attractive,are we throwing away good money after bad ? What I do know is that directors are quite heavily into this,and are supporting the issue with a lengthy lock in period,so that gives me some confidence.I remember seeing a broker's circular saying that they had to get to critical mass before they could become a possible takeover possibility,and I would imagine that's what this is all about.To aid the relisting,I would think they will announce some new partnerships with high profile clubs,and of course the new board members will bring in mobile telephony contracts which should be lucrative.Reading the prospectus,I think what gives it away is the bit under regulatory changes which could easily be interpreted as saying 'we don't expect to be independent for too long because this is a game is for bigger players '.The proposed new share structure is particularly illuminating. The dividing line between the sports and media businesses is diminishing all the time, so IF this enlarged group is successful,this could turn out to be a good bet as successful radio networks,even today,command good premiums if I read the financial press correctly.I also read very recently that the Yanks want to push their version of football in Europe,so why not come on the RAD board ! I hope more people will add to this thread because I confess I'm undecided and very much aware that these days it is so easy to increase your interest in the 90% + club.Still there are a lot of plus points. |
Posted at 03/4/2002 10:33 by dasher152 RAD was recently tipped as worth a highly speculative punt.Does anyone know about this company and whether there is any mileage in it? |
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