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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Adding radiator
I simply want to move a Radiator 3 foot to the left so its sitting
under a window . But i will have to lengthen pipes to do this , that is not a problem . My question is i have a combi bolier , do i drain it down , what do i turn off . Basically what should i do . I had no problems with my old back boiler , but the combi is new to me . Any help please . |
#2
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Adding radiator
"Bluesplayer" wrote in message oups.com... I simply want to move a Radiator 3 foot to the left so its sitting under a window . But i will have to lengthen pipes to do this , that is not a problem . My question is i have a combi bolier , do i drain it down , what do i turn off . Basically what should i do . I had no problems with my old back boiler , but the combi is new to me . Any help please . Firstly, I am not a plumber..... ....however if you have worked with other central heating systems then this should not be difficult. You obviously have to turn the boiler off, but then you just have a sealed, pressurised system instead of a vented one with a small header tank. Drain down the radiators as normal from the lowest point - you may have to loosen off a bleed screw from an upstairs radiator to get the water out. Be prepared for a lot of pressure when you start to drain. Move your radiator, close all bleed screws etc.. You will, of course, have to add chemicals to the water to protect the system, but this should be relatively easy with a drained system - look at the FAQ. Follow the instructions for adding cold water to the heating circuit (on my boiler there is a tap from the mains built in to the base of the boiler) and pressurise to the recommended mark (for cold), bleed all the radiators and away you go! I don't know if you will have to bleed the boiler - mine is a recent one and has a self-bleed programme when it restarts after power down. The professionals should be along shortly to fill in any gaps :-) HTH Dave R |
#3
Posted to uk.d-i-y
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Adding radiator
"Bluesplayer" wrote in message oups.com... I simply want to move a Radiator 3 foot to the left so its sitting under a window . But i will have to lengthen pipes to do this , that is not a problem . My question is i have a combi bolier , do i drain it down , what do i turn off . Basically what should i do . I had no problems with my old back boiler , but the combi is new to me . Any help please . No problem in draining down a combi system. Just switch off the power to the boiler & drain down in the usual way from the lowest drain cock, but let some air into system by opening a radiator vent or two at a higher level. If you are going to use compression fittings to make your joints then the water in the system should hold back on a vacuum by opening the rad valve (after removing the rad) and catching the small amount of water that comes out before the vacuum takes hold. Do not open any rad vents when doing it this way. |
#4
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Adding radiator
On Sun, 14 Oct 2007 13:03:52 +0100, "David W.E. Roberts"
wrote: "Bluesplayer" wrote in message roups.com... I simply want to move a Radiator 3 foot to the left so its sitting under a window . But i will have to lengthen pipes to do this , that is not a problem . My question is i have a combi bolier , do i drain it down , what do i turn off . Basically what should i do . I had no problems with my old back boiler , but the combi is new to me . Any help please . Firstly, I am not a plumber..... ...however if you have worked with other central heating systems then this should not be difficult. You obviously have to turn the boiler off, but then you just have a sealed, pressurised system instead of a vented one with a small header tank. Drain down the radiators as normal from the lowest point - you may have to loosen off a bleed screw from an upstairs radiator to get the water out. Be prepared for a lot of pressure when you start to drain. Move your radiator, close all bleed screws etc.. You will, of course, have to add chemicals to the water to protect the system, but this should be relatively easy with a drained system - look at the FAQ. very easy if the installer has put in an additive filling point as mine did .It's next to the boiler . Follow the instructions for adding cold water to the heating circuit (on my boiler there is a tap from the mains built in to the base of the boiler) and pressurise to the recommended mark (for cold), bleed all the radiators and away you go! My installer fitted two taps adjacent to the boiler .One to serve the cold water feed to the boiler and another to drain the system down . |
#5
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Adding radiator
On Sun, 14 Oct 2007 01:55:59 -0700, Bluesplayer wrote:
I simply want to move a Radiator 3 foot to the left so its sitting under a window . But i will have to lengthen pipes to do this , that is not a problem . My question is i have a combi bolier , do i drain it down , what do i turn off . Basically what should i do . I had no problems with my old back boiler , but the combi is new to me . Any help please . See Sealed CH FAQ. -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at http://www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html |
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