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Previously on "My radiator bleeding skills are not enough...."
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Replace the worst offenders and move the hot ones to places you need them most. The remaining poor ones can be moved to rooms you rarely use or don't need much heating, rebalancing the system from a use case point of view. Sorted.
Then if still not good enough, check pipes for blockages. If it's all push fit you may be able to pull the pipes off and run a pipe cleaner through them. Those chimney sweeps must have moved onto this service or is it a gap in the market? Nice little plan B.
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Find me a plumber that will replace 15+ radiators for 600 quid and I will.
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600 quid for a flush!? You'd be better off putting new radiators in instead of the ones that do not get hot then adding some inhibitor,
A flush does not get rid of all the crap in the system, it just gets rid of that near the outlet, distributes more of the remaining crap into the other radiators and probably gums up your pump. Not for me, Jeff.
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Originally posted by northernladuk View PostSo I've bled the radiators to within an inch of their life but still irks me that some get hot much faster than others and from the top down etc so I'm considering having one of these power flushes down. They quote 300-600 for the job.
Anyone had this done recently and did it work. I am assuming when they say power flush it isn't at higher pressures that could affect the joints etc?
What would FLC do in my situation?
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The power flush we had done about 10 years ago was the best value I have ever had from a plumber. It completely changed the house from never getting warm to having to turn the heating off. The radiators were quite old though so if yours are new then it might not have the same effect for you.
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Originally posted by northernladuk View PostSo I've bled the radiators to within an inch of their life but still irks me that some get hot much faster than others and from the top down etc so I'm considering having one of these power flushes down. They quote 300-600 for the job.
Anyone had this done recently and did it work. I am assuming when they say power flush it isn't at higher pressures that could affect the joints etc?
What would FLC do in my situation?
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I'm just too old school to think pushing something on beats sweating away with compression and soldering joints
Got hot air heating meself. Beats me why this is out of fashion in the UK. Heats the house very quickly and is highly efficient.
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Originally posted by WTFH View PostIf they are all getting hot at the top, no bleeding is necessary.
What you might find is that your system needs balancing. Have you adjusted the outlet valves on any of your rads?
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Originally posted by fibio View Post
Addendum: we later found out that the previous owners were too cheap to solder most of the joints so used compression fit joints for some new radiators they had had installed. Given these are 25+ years old mechanical fittings that were inaccessible under the floorboards, a leak during a sludge-clearing power flush would have been highly undesirable!
I think for peace of mind if nothing else I'll give it a go.
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Had our heating system power-flushed a few years ago and so much sludge (mostly rust) came out that they ended up running it twice as the cleaning magnet got so full.
The biggest improvement is that the house heats up a lot faster as the radiators get warmer much quicker. I didn't have the hot-at-top but cold-at-bottom issue you describe, but would recommend getting the system cleaned out.
I have no idea what pressure they used (combi boilers are a pressurised system anyway and usually rated up to 3 bar working pressure). We didn't have any leaks afterwards.
Addendum: we later found out that the previous owners were too cheap to solder most of the joints so used compression fit joints for some new radiators they had had installed. Given these are 25+ years old mechanical fittings that were inaccessible under the floorboards, a leak during a sludge-clearing power flush would have been highly undesirable!
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If they are all getting hot at the top, no bleeding is necessary.
What you might find is that your system needs balancing. Have you adjusted the outlet valves on any of your rads?
There's a few guys on benches round here who could help. I'm happy to represent them to you for a mere 50%
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My radiator bleeding skills are not enough....
So I've bled the radiators to within an inch of their life but still irks me that some get hot much faster than others and from the top down etc so I'm considering having one of these power flushes down. They quote 300-600 for the job.
Anyone had this done recently and did it work. I am assuming when they say power flush it isn't at higher pressures that could affect the joints etc?
What would FLC do in my situation?Tags: None
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