I've just replaced an old radiator with a 1600x600 double panel. New values and TRV. Nothing special about the replacement. Just positioned a few feet away from the old one (on same wall) and fitted new 15mm plastic tails, joining to existing 8mm copper piping with a brass compression joint. The new radiator is cooler at the bottom than the top. I understand that this is often a sign than the radiator has sludge at the bottom, but how can this be the case with a brand new one? All ideas and suggestions to fix welcomed.
Partially hot newly fitted radiator
- Thread starter markjg123
- Start date
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D
durhamplumber
That is a lot of rad for 8mm pipe.First thing I would recommend is turn all other rads off,see how quick it heats up.
OK I'll do that and reply. It's a 1930s extended bungalow. All the original pipework is 8mm copper. All the new pipework in a fairly recent extension is 15mm plastic. All of the original rads have been replaced when the extension was done and have 15mm plastic tails joined to the 8mm copper.
H
Hot&Cold
I would recommend balancing the system,if your new radiator radiator work was carried out by a heating technician then they would have re-balanced your system as best as they can 8mm to 15mm 
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these basic strap on non tech items (or similar) are useful when balancing,2 are required. Any decent heating tech will have them ready for use https://www.bes.co.uk/clip-on-pipe-thermometer-63mm-22147
Easy fix
.these basic strap on non tech items (or similar) are useful when balancing,2 are required. Any decent heating tech will have them ready for use https://www.bes.co.uk/clip-on-pipe-thermometer-63mm-22147
Easy fix
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I carried out the upgrade
I think the system was balanced when the last lot of work was done. From what I can see it seems pretty 'same' though. What I mean is every first floor rad (4 of them) has it's lockshield open just a quarter turn and every ground floor rad (8 of them) has them fully open.
I'd appreciate your advice on how to balance using those strap on temp devices.
I think the system was balanced when the last lot of work was done. From what I can see it seems pretty 'same' though. What I mean is every first floor rad (4 of them) has it's lockshield open just a quarter turn and every ground floor rad (8 of them) has them fully open.
I'd appreciate your advice on how to balance using those strap on temp devices.
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