holty said:because as stated the boilers faulty needs servicing, and is ten years old. you would probably disagree but in the long run it could be better replacing the boiler with a more powerful and efficient one. as for saying the plumber was talking s*%t i think it was a bit to harsh i apologise
larpo said:Hi,
I have just bought a ground floor 2 bed, 1 bath flat with mains cold water at high pressure (around 4 bar). The combi boiler is a Worcester 24CDI and could be about 10 years old. The boiler is currently faulty and needs a good service, but what's more of a concern is that when it does work the pressure coming out of the hot taps is pathetic - barely strong enough to get me wet.
Now here's the rub. I want a very powerful shower. It's very important to my working day that I get this. So, what's the best way of achieving this? Our plumber has suggested a 150l megaflo unvented cylinder (about £500) purely to feed the shower and then run the rest of the system off the existing combi boiler. Is this a good solution? What is the best way of achieving a good drenching given that the mains pressure is very good. I'd like to make sure that this is £500 well spent.
Many thanks in advance for your advice.
sooey said:The poster has said that he wants a very powerful shower, and that he has good incoming mains pressure and high flow rate. In these circumstances there isnt a combi made that will get near an unvented cylinder, or a thermal store. Obviously it would be a more expensive way to go than just replacing the combi, but you would need a massive (very expensive) combi to give anywhere near the hot water this poster says he wants,
and have you seen how much gas they use on full rate, ie when supplying hot water. Typically about 3.7 m3hr. I think that his plumber gave him good advice.
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