Z
ziggy
Folks,
I replaced every radiator in the house about 6 years ago, and they were all the standard white-painted steel radiators that are everywhere, I bought mine from a plumbers merchant.
The central heating system is VERY old (over 25 years) but I have replaced pretty much everything apart from the pipe work and the system has alway had inhibitor.
Nearly half of these radiators have already started pinholing (some of them after only 3 years) and I am starting to wonder whether these radiators are inferior or whether the system itself being so old has accumulated too much corrosive material that even inhibitor can't cope with.
I have never had it power flushed, I have tried flushing it many times myself by running water through the system as it drains off ... some times for over an hour with the system on so the water is hot. I have also done this with every radiator closed off in an attempt to flush the pipework, but even though the water eventually runs clear, and I fill up and add inhibitor, the pinholing still happens.
I was wondering whether I should replace the radiators with branded ones (e.g. Mira) as they may be better quality, thicker steel, etc.
Any suggestions?
Ziggy
I replaced every radiator in the house about 6 years ago, and they were all the standard white-painted steel radiators that are everywhere, I bought mine from a plumbers merchant.
The central heating system is VERY old (over 25 years) but I have replaced pretty much everything apart from the pipe work and the system has alway had inhibitor.
Nearly half of these radiators have already started pinholing (some of them after only 3 years) and I am starting to wonder whether these radiators are inferior or whether the system itself being so old has accumulated too much corrosive material that even inhibitor can't cope with.
I have never had it power flushed, I have tried flushing it many times myself by running water through the system as it drains off ... some times for over an hour with the system on so the water is hot. I have also done this with every radiator closed off in an attempt to flush the pipework, but even though the water eventually runs clear, and I fill up and add inhibitor, the pinholing still happens.
I was wondering whether I should replace the radiators with branded ones (e.g. Mira) as they may be better quality, thicker steel, etc.
Any suggestions?
Ziggy