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    What does a new boiler & installation cost in London?

    Had a problem with my combi boiler that it looks like British Gas will be able to fix on a new contract I've taken up. However the guy that looked at it for me informed me it was installed in 1987 and he recommended replacing it with a new boiler. The current problem is fixable, but he is right...
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    HW working intermittently - no water flowing sometimes?

    Hi there, I've got a problem & wonder if someone has experienced this before. The hot taps are basically working intermittently. Sometimes they're fine & allow full flow & other times they're not turning on throughout the house. The cold water is fine, so I'm thinking something is sticking in...
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    How common is it for CH to leak into immersion tank?

    I'm searching for a leak in a sealed system causing the system to need topping up every week or 10 days or so. I replaced two rads that had weeps that had rusted a fair bit around the weeps, but there are no other leaks that I can find, no ceiling stains, no drip from the safety valve, no...
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    Mysterious RCD tripping & mysterious readings for a boil

    I've got a mysterious nuisance trip problem on an RCD & wonder if anyone can help? The light circuit isn't on the RCD, but about twice a week, the RCD is tripping when lights are switched. There is one main hallway light switch where it happens the most, but tonight it tripped when a bedroom...
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    What formal procedure for changing a consumer unit?

    I've recently completed the EAL Intermediate Certificate for Domestic Installers. The work I want to do doesn't seem to justify me joining the NIC or other organisation as I've got 5 or 6 jobs in total to do on my own places. All I want to do is some bonding upgrades and changing some...
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    Expansion vessels / air in the system, a fair trade off?

    It occured to me last week that an expansion vessel is simply a container of air allowing physical expansion of hot water in a sealed CH system. My faulty expansion vessel (now seems to be OK after I charged it with a bike pump) resulted in water leaking out of my system when the pressure was as...
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    Can I change my own boiler?

    Having helped plumbers change about 6 or 7 combi boilers over the past few years & having seen how it is basically following a procedure which is helped by the installers instructions supplied by the manufacturers, I believe I can do it myself. So I am raising this question with you to...
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    Gloworm Swiftflow 120 just clicking, no CH or HW

    2nd topic for a different boiler. I've had this boiler for 8 years of reliable service, but on friday night it died. My plumbers response when he saw it today was 'not economical to fix, replace'. But that is his usual response & 8 years isn't that long to have the same boiler. The...
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    Jaguar boiler losing pressure/replace expansion vessel?

    Hi there, Hopefully someone can help me with an independant opinion on this. I have a Jaguar boiler, 5 years old. It's been releasing pressure & requiring topping up too often recently. At first I thought it was the pressure release valve being faulty & needing replacing which I did, but my...
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