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just to bring this post to an end , finally got new rads of correct size today and they match the sizes everyone and me worked out they should be EXCEPT MEAR , I know its warm outside but flat now gets upto correct Temp and heat is very even over every room so im happy as i can now put heating...

Well yes but i should not have had to do it all in 1st place , i still have No copy of there Calcs using Mear , but i will go with my gut feeling and as the new rads almost match Stars Im Happy , sometimes when in a fight ya have to know when not to insist on knowing who was correct They...

At last :-) bigger rads being fitted in next week They still maintain there MEAR calcs were correct !!!!! , i dont see how but ive argued that point long enought now, but they have agreed to fit bigger rads , and from sizes they have given me of rads they putting in almost match my calcs so...

cool i get a full bore valve , i did wounder about gate valve on mains but asumed as thats all she has in loft inc feeds to tanks was some reason for it i was not aware of , should have know better as council house

well no recomendations so I got a Triton 80si 9.5 , ill do fitting pipes ect , sparks says £100 to wire up inc all cable isolators mcb ect what do ya think 15 mm gate valve or 15mms top cock on mains just for shower feed , not a fan of ball valves

jusr a bit of an update for ya all it may help someone in futuer Anyway had my big inspection of boiler and rad balanced using there proper gauges on each rad and flow and return just under boiler Guess what , they got a difference of 8c on flow and return with everything on full blast ...

Im Not from trade but from a customers point of view i would say thats a good price for supply and fit LOL ebay causes so many problems , what a lot of customers forget is how much is factored into price , Like picking up , making sure its correct, all fitting needed are there ,discounts...

thanks yes last house we lived in i install a big pump and own feed from tank and adaptor at cylinder , this house anit mine lol so looking for a way out but if i have to fit a 10kW and 40 amp i will as peace i get worth way more than cost for shower electric are covered and fuse borad...

Ps Im going to T off mains in loft peglar gate valve or stop cock

My Ex is finding it hard to use bath due to injury , so i need to get her an electric shower fitted , iv already changed bath to shower taps ect is just about usable , i can do all plumbing ect and easy to drop a mains feed from loft , she wants quite a powerfull shower also 2 teenage kids in...

will do thanks for that download seams to do a much better job of calc heat loss and well worth reading and using esp the U vales based on age of building , of construction and good to see just how much difference in U value there is from pre 2002 DG to after Thanks Tezz

thanks for that i made it a bit more but due to odd construction its all a bit of guess work , i made it to be on safe side a 7,000 Yes def something wrong as im Freezing LOL Iv even spoke to Valiant gave them all readings and they suggested the rad output need to be checked !!!!! LOL wish...

Ok now council will only accept Mears calculations and thats its and will not accept any other form of calclations If anyone has a mears calculator could you please tell me size rad should be Flat is on Ground floor , Living room 15x11x8 , solid concrete floor not insulated on dirt ,solid...

i will open them all take of TRV tops see how it runs at the new 8Kw setting and see what temps i get on boiler , and then get installers back to do what they should have done in 1st place and commision it properly But i will get some of the clip on thermomiters anyway

i did wonder about that and yes TRV dose have both arrows , i did try and balance this rad using locksheild 1st but unlike rest of rads both pipes were always red hot , so i opened up the locksheild on flow full turned down TRV only then did i get a difference and manage to reduce return temp

Thanks bathroom and hall single , living room double double fin bedroom double single fin they are stelarad compacts I feel ive balanced rads a bit better (they never bothered) altho they still need to come back and put my TRV in bathroom on correct end ive used this to reduce return flow if...

did a bit more digging and found a flat same as mine , altho there rads all in different positions and sizes but btu of living room and bedroom about same there boiler was set same as mine was 19kw on d0 i checked there flow and return boiler was set to 70 and they have flow 71 return 68...

Thanks for help I guess ill go with the stars calcs and the whole house calcs and continue my reading and narrow down the actual U values of my construction, as getting anyone to tell me what rad i actually need seams a bit of a problem , why this is such a hard ask im not sure, which i...

No not a new build , old building new heating install from scratch so no reason for any mistakes Yes i made it 6.3 , which take of kitchen as they say they dont have to heat that , 2 very large walk in cupboards all seam to suggest the amount i make rooms under is about what house calcs show...

Oh ive been complaining all right getting no where fast , council say call main contractor as they design it from floor plans, main contractor says call council as they supplied floor plans , i say rads too small main contractor say MEAR says there not , so its like a merry go round , but i...