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There is two pipes going into the radiators, but from what I can see (cellar only gives access to part of house as it is on a hill) both pipes must go back to the one pipe that branches off either the flow or return pipe of the CH.

So it is possible for flow and return to run off one pipe to two rads? If that's the case, i won't have a problem. The central heating was a gravity system when we moved in. Changed to combi boiler now though but those two rads still work. Cheers Rob

Hi, We had our boiler and some radiators replaced last year. The plumber had to change some pipework as we were on a one pipe system so all of the radiators weren't getting hot. Everything is working fine, but I want to replace the radiators that are in the living room. Currently, we have...

Thanks for the advice. Got some JG fittings so will use those. As for heat output, it was hard work finding a tall rad with good ouput but found a MHS one with over 7000 btu which is plenty for our smallish living room Cheers

Thanks for the reply. I think we would prefer the pipes coming out of the wall. My only concern was having speedfit elbows behind the wall - are they reliable enough?

Hi, I've ordered a fancy designer radiator (1800mm high x 500mm wide) and just want opinions on the best way to get the pipework to it. Is it best to run the pipework up from the floor to the valves like with a standard rad or would it be better to chase the pipes into the wall so they...

Thanks for the replies on this. I've decided to remove the brickwork from around the edge of the balcony/roof, seal the roof using the liquid sealent that you paint on and cover with desking and balustrade. So, a couple more questions: If I drill hole in to the concrete to fix the...

Hi, We have a garage attached to the rear of our house. The roof is used as a balcony. The garage is brick built with a concrete slab roof. Since we bought the house last year, the garage gets wet on the inside of the walls. I'm pretty sure it's the roof that's leaking but i'm not sure...

just one cold rad - rest are ok. checked trv and pin moves up and down fine. rad and trv are only three week old and did get warm at the beginning. Rob

when i turn the trvs to the other rads off, the cold one stays cold. i'll try turning off the valves to the skirting heaters and see if it makes any difference. Rob

Hi, i've shut off the trvs on all other rads that have them (i have a couple of skirting heaters that don't have trv's) i've just tried bleeding the rad again and noticed that if i close the trv whilst bleeding, the lockshield side gets warm. If i close the lockshield, the side with the...

Hi, We have just had our central heating upgraded and I'm having problems with one radiator. initially, the radiator would get warm but not hot. now its stone cold. i've tried bleeding it and water comes out. if i bleed some water out into a jug, the copper going into the lockshield gets...

i think he'll me making more than £100 as he said it will take approx 2 days. i think he must be getting the parts a lot cheaper than my mate could get them for?

Hi All, I've just had a quote to replace my old floor standing open vented central heating system and it sounds almost too good to be true. I am getting the following: Worcester Greenstar 30si combi 7 new stelrad radiators trv's honeywell cm927 stat 1 rad moving to different part of...

Hi, I'm not sure if what i want to do is possible or not so need a bit of advice on a couple of points: We have a garage at the back of the house with a concrete roof that is used as a balcony/patio. The roof is leaking into the garage at one side so I need to re-seal it somehow. Afteer...

Hi, I am trying to find a good, reliable online radiator size calculator that tells me what output i need depending on size of room, wall and floor type etc. I've tried 3 different online ones, put the same details into each one and the btu calculations ranged from 3500 to 11000 !!! Can...