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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Choosing a back vented Combi Boiler with reasonable efficiency
Hi,
I'm looking to have a boiler replaced that's rather aged. To minimize cost/disruption I'd like to source a roughly like-for-like rear vented (co- axial) boiler, so it roughly slots into the current boilers location. Flow rate should be high as poss on demand, not stored. Glow-worm make a combi (35CI) that fits the bill but the efficiency is a bit crap compared to others. Radiant make a nice boiler (RSF30) but not back vented which means lowering pipes and a new hole etc. Documentation on manufacturers websites is poor. Not interested in condensers as longterm reliability is a bit crap. Any make/model suggestions? Many Thanks Jimbob p.s. first person to mention corgi/certified gets a slap, I know ta. p.p.s have been to http://www.boilers.org.uk/ but it doesnt tell me venting options. |
#2
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Ferroli F30 with a rear flue ( an extra that will enable the flue to come
from the rear of the boiler instead of the top ) with a flow rate of 12.5 litres per minute "Jimbob" wrote in message ... Hi, I'm looking to have a boiler replaced that's rather aged. To minimize cost/disruption I'd like to source a roughly like-for-like rear vented (co- axial) boiler, so it roughly slots into the current boilers location. Flow rate should be high as poss on demand, not stored. Glow-worm make a combi (35CI) that fits the bill but the efficiency is a bit crap compared to others. Radiant make a nice boiler (RSF30) but not back vented which means lowering pipes and a new hole etc. Documentation on manufacturers websites is poor. Not interested in condensers as longterm reliability is a bit crap. Any make/model suggestions? Many Thanks Jimbob p.s. first person to mention corgi/certified gets a slap, I know ta. p.p.s have been to http://www.boilers.org.uk/ but it doesnt tell me venting options. |
#3
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"ski" wrote in message ... Ferroli F30 with a rear flue ( an extra that will enable the flue to come from the rear of the boiler instead of the top ) with a flow rate of 12.5 litres per minute "Jimbob" wrote in message ... Hi, I'm looking to have a boiler replaced that's rather aged. To minimize cost/disruption I'd like to source a roughly like-for-like rear vented (co- axial) boiler, so it roughly slots into the current boilers location. Flow rate should be high as poss on demand, not stored. Glow-worm make a combi (35CI) that fits the bill but the efficiency is a bit crap compared to others. Radiant make a nice boiler (RSF30) but not back vented which means lowering pipes and a new hole etc. Documentation on manufacturers websites is poor. Not interested in condensers as longterm reliability is a bit crap. Any make/model suggestions? The Glow Worm Condenser 30CXI is well thought out and uses stainless steel heat exchanger. The ones I've installed have been no trouble. I can't see there will be any problems in going up to the 35 |
#4
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"John" wrote in message
... The Glow Worm Condenser 30CXI is well thought out and uses stainless steel heat exchanger. The ones I've installed have been no trouble. I can't see there will be any problems in going up to the 35 And have a look at www.uselessenergy.org.uk for good prices on the Glow-Worm condensers (I've just fitted one that I purchased through this scheme, and have been very happy with it so far). Alex |
#5
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"Alex \(YMG\)" wrote in
: "John" wrote in message ... The Glow Worm Condenser 30CXI is well thought out and uses stainless steel heat exchanger. The ones I've installed have been no trouble. I can't see there will be any problems in going up to the 35 And have a look at www.uselessenergy.org.uk for good prices on the Glow-Worm condensers (I've just fitted one that I purchased through this scheme, and have been very happy with it so far). Alex Thanks for the feedback - Unfortunately not a rear flued boiler - which means a new hole in the wall. Nice cheap prices though, relatively. It's a bit harder to justify not getting a condenser when they cost less =) Just a little concerned about the longer-term costs of reliability, parts & servicing over a standard combi.. Cheers Jimbob |
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