Anyone got any likely suggestions for he replacement of the listed boiler?
Prefereably I think a floor stander owing to the layout of the kitchen/pipes etc - but might be possible to have wall hung.
All advice gratefull apprecaited.
Cheers Dan.
Would the location be suitable for a condensing boiler? This requires access to drainage, and a suitable location to run a condensing fanned flue.
Suitable locations for a flue are on external walls where the steam/water vapour plume won't annoy, or where you could run a flue upwards without aesthetic, structural or decorating problems.
Christian.
Our free QSEDBUK program - see sig - will give you a list of boilers in the SEDBUK boiler database. You can narrow the selection by floor/wall, flue type and output. All the floor standing ones are pretty inefficient by current standards.
If location is a factor, the wall hung Keston Celsius takes its air inlet and flue outlet through a pair of 50mm muPVC pipes (high temp plastic waste pipe = cheap and easy to install) which can be up to 20m long.
A wall hung model might be short enough to go where the floor model is but on the wall (obviously).
Equivalent modern boiler would be a fan-flued system boiler such as a GlowWorm Compact 60 or Vailant Turbomax 620e
A Keston C25 or other condensing boiler might be possible to fit. Forget about reusing the old (likely asbestos cement) flue and/or chimney.
I had a dig around last night and my fears about it having to be a slimline floor stander (meaning another Mexico slimline) are now faded as I've looked into the area it's in and with a padsaw I can remove all the "fancy" panelling that the previous owner put up and get back to the wall/entry to the chimney.
It's going to have to go there and use the existing chimney as there is no other wall space in the kitchen that it can hang on :( But at least we can go wall mounted.
The Ideal Mexico is only 10 years old - but we are having a mjor kitch rework just after xmas (if I've got the time/money) and this boiler would be part of the re-arrangement.
Cheer sDAn.
Using the chimney directly with a liner requires an ancient inefficient "open" flue boiler. Instead, you should consider using a fanned flue condensing model.
You might find the Celcius 25 to be economic for this as the flue "extensions" are basically free, which offsets the higher cost of the boiler. It uses thin drainpipe, which can be shoved down the existing chimney. Other makes require expensive proprietary flue extensions, which are often quite large, and might be difficult to install. I'd rather stick two 50mm flexible plastic drainpipes up a chimney than a 125mm metal concentric flue that comes in expensive 1m lengths that require bolting together.
Christian.
You'll only get away with using the plastic pipes down the chimney if the run is dead straight. There is some give in the pipes but not enough to snake around a chimney bend.
The pipes have to be the high quality muPCV waste pipes not the thin walled rain water stuff.
However I heartily recommend the Keston if for no other reason than it is similarly priced to other 25kW condensing boilers and has the plastic flue option.
I had to have a 65mm daimond core drill made up to order but have used it several times. The OD of the plastic pipes are 56mm.
Thanks Ed, problem here is the bend in the flue :( Might have to re-site the boiler totally - which will be interesting given that there is nowhere else it can really go :(
Cheers Dan.
You can fit 45 or 135 degree bends and elbows in the flue pipe. It is normal drain pipe. If you have access to do this, or chisel out a hole where the bend is, if accessible, and do the joints that way, and then make good the brickwork after.
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