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Old 17 February 2013, 16:33   #21
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Er yes, is it obvious!! Ha ha
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Old 17 February 2013, 16:46   #22
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Worcester are very good, i've been to their factory several times

Don't go for the cheap makes or you will be changing it sooner or later.

What ever you fit make sure you get a good gas safe person to install it and most importatly make sure that your system has been thoroughly cleaned / flushed. If the water is still black then this will cost you dearly later on

Check to see that the flue will be in the right location and if the gas supply needs to be upgraded to a bigger size.

If you go for a combi boiler also think about how much hot water you want and how much flow rate and what temp you need out of the taps, if you are in a hard water area you will need to think about scale too.

Hope this helps...
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Old 17 February 2013, 17:10   #23
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Worcester are very good, i've been to their factory several times

Don't go for the cheap makes or you will be changing it sooner or later.

What ever you fit make sure you get a good gas safe person to install it and most importatly make sure that your system has been thoroughly cleaned / flushed. If the water is still black then this will cost you dearly later on

Check to see that the flue will be in the right location and if the gas supply needs to be upgraded to a bigger size.

If you go for a combi boiler also think about how much hot water you want and how much flow rate and what temp you need out of the taps, if you are in a hard water area you will need to think about scale too.

Hope this helps...

Hes a German dont mention the war or that word begining with G
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Old 17 February 2013, 17:25   #24
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Always check the location of the flue. Caused a lot of problems that before now!

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Old 17 February 2013, 17:42   #25
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Had a Vaillant combi for 20 years replaced it with a Worcester Greenstar 30si. Plenty of choice of cheap boilers out there but in the end it was a toss-up between another Vaillant and the Worcester. Worcester won on extended warranty and slightly lower price.
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Old 17 February 2013, 18:24   #26
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I saw this thread and admit I havent read many posts .. my boiler is shite on an efficiency basis but it cost me nothing in repairs .. yes its inneficient and burns a few pounds in extra gas .. but it doesnt need a service engineer calling every few months cos its a simple tool and it doesnt break down and leave me without heat or hot water .. its an old Baxi and feking reliable I feel sorry for all you guys buying the latest knobs on stuff that just fails .. regularly
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Old 17 February 2013, 18:36   #27
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We have had a Biasi condesing boiler running for 7 years now and it's never been serviced yet .

when fitting it the guy said that it would probley stop working from new at about 9 to 12 months but it was an easy fix to do with the timer (known factory problem but think its been sorted with later models ) the only other time it stopped when the condensing outlet pipe froze up in the extreme cold we had a couple of years ago , after running the pipe inside into the normal domestic sink waste pipe it's never stopped since .
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Old 18 February 2013, 03:15   #28
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Most condensing boilers don't work at full rated efficiency all of the time as they need to be in a certain temperature range for the condensing to occur.

Many so called 'inefficient' boilers are within 10% of the 'efficient' boilers sedbuk rating.

Say your gas cost is 1000/year (which is very high for most but I chose it for simple maths), then a new boiler will save 100 year.

As I keep being told that new boilers have about 10/15 years service life, then saving over life of the boiler will not cover the cost of fitting a new one.

If your boiler is not costing you money, then thinking of changing your boiler on cost grounds is probably not going to bring the benefits you expect. You would be better adding additional insulating and updating boiler controls.

Our approx 10 year old Worcester Bosch failed twice in 6 months. Water ingress into the fan via the flu (apparently) then heat exchanger flooding the heating chamber. Thankfully we were under British gas contract. In space of 6 months, our whole boiler was totally replaced, less carcass and electronics. Everything else, and I mean everything else was replaced. We effectively have a brand new boiler that should last another 10 years. And a few months before, I was thinking exactly as you, to replace boiler to a more efficient type.

As I work from home, I installed a zoning system that allows me to keep certain rooms warm at the required temperature only at the times needed. As a result of this and insulating above the previous 300mm loft insulation that was installed, we run a nice warm house at less cost.

We moved in 2009 and I fitted the zoning system in 2010. We run our heating 24/7 but as rooms are individually zoned to specific temperatures, the heating only runs when a room tells the boiler that it needs to warm up. The results speak for themselves.
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Old 18 February 2013, 04:23   #29
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My uncle is a plumber up in Manchester and corgi registered. Put a Worcester in my mums house to replace the 30 year old unit which finally packed up. They have a great write up in Which magazine and is saving her 's
I've never really understood why people put so much emphasis on Which reports. Are they just for people who can't make their own decisions? They presumably don't run all the boilers for 20 yrs to see which actually does the best long term job - so they are relying on the same factors as anyone else, cost, reputation, advice from others, and short term installation history.

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whatever you go for make sure that the installer runs the condensate drain pipe inside the house(if practical), as otherwise they freeze solid when you need them most and you will have no heating.
And yet bizarrely, for practical reasons it is quite common to see up here, where it is colder more often, and most people have no problems...
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21.5mm overflow pipe with armaflex pipe lagging , the plumbers favorite.
Ah so what you really mean is poorly installed external condensate drains.
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If we have to run external we use 1 1/2" sink waste pipe and a heating trace wire, never had one freeze yet.
none of the houses in our street with condensing boilers have heating traces, the only one who has any issues is the unlagged one - and he is happy to apply a kettle to it once or twice a year.
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Originally Posted by Bigmuz7 View Post
I saw this thread and admit I havent read many posts .. my boiler is shite on an efficiency basis but it cost me nothing in repairs .. yes its inneficient and burns a few pounds in extra gas .. but it doesnt need a service engineer calling every few months cos its a simple tool and it doesnt break down and leave me without heat or hot water .. its an old Baxi and feking reliable I feel sorry for all you guys buying the latest knobs on stuff that just fails .. regularly
I was in the Bigmuz and IanH camp until our boiler finally died at Christmas. It has been replaced with a Logic Plus Combi 35 with a 7yr warranty. Historically Logic haven't had a great reputation but if they are prepared to put a decent warranty on things then I'm prepared to give it a whirl. The heating engineer (not plumber!) who installed it has about a dozen installs which are all over 12 months old and no call outs - anecdotally from my friends/family/colleagues that would seem to be "very reliable". The installer is quite happy to come and do a quick annual service with no support contract each year - whereas others seemed to want an "insurance" type scheme. What for? the boiler is under warranty.

As Camelgas implies - the important thing might be who fits your boiler rather than who made it.
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Old 18 February 2013, 11:55   #30
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Go for a W B and get there service package
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