 | Home > Off Topic > Totally off topic, kitchen advice please |
 
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5652  
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Rather than fit a kitchen extractor hood. Fit a chimney fan that goes on the top of the chimney pot on the roof. Have it wired to a switch by the cooker, and that switch can also operate lights in the recess over the cooker.
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7th Jul 2024 6:48am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5652
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Here is a 300 x 900 extractor
https://www.modernlivingdirect.co.uk/p/via...gL9iPD_BwE Here is a 260 x 500 https://ao.com/product/ki52e3-smeg-canopy-...lsrc=aw.ds 540 x 300 https://www.johnlewis.com/aeg-dge5661hm-54...lsrc=aw.ds |
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7th Jul 2024 6:50am |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3667  
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This. Assuming that it’s not going to cost you thousands to scaffold up to your chimney. You might actually find that in a house that age there is a natural draw up the chimney anyway and you may find you don’t need to do anything. Get hold of a couple of smoke pellets from your local diy store and give it test before you spend any cash. |
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7th Jul 2024 7:00am |
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| ickle Member Since: 22 Jul 2010 Location: South Vendee Posts: 1776  
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I'd be very tempted to incorporate a universal type grease filter and also line the chimney with an insulated duct to help reduce condensation.
Its incredible how much grease accumulates in a kitchen duct filtered or not, mix this with the inevitable 250 years of soot in the cracks and crevices and you've a nice source of fuel for a fire. HTH Keith |
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7th Jul 2024 8:57am |
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| alwoodley72 Member Since: 14 Mar 2010 Location: salisbury, wilts Posts: 724  
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^^this..! The aga would have been putting soot not grease up the chimney, you must line or filter before exhausting up an old chimney… if the draw is good you could fit a decent charcoal replaceable filter in the chimney recess.
The only other option is a downdraught filter which pulls fumes down, but you’d need to fit that behind the new range which would mean ingress into the kitchen. Cheers alex 98 300 tdi 90 project 94 Range Rover vogue 4.2 lse 79 911 sc 08 130 double cab utility |
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7th Jul 2024 10:43am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5652
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Anything you do will need a liner, unless you can go through the back wall and out which I assume isn’t an option.
I wouldn’t use a charcoal filter unless just recirculating the air, if extracting it then I would just use replaceable extractor filter sheets above the cooker. |
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7th Jul 2024 10:53am |
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| Ads90 Member Since: 16 Jun 2008 Location: Cots-on-the-Wolds Posts: 809 
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You’ll potentially have condensation from the warm moist extracted air running back down the chimney flue and causing issues.
An insulated liner & condensation trap is an option, but personally I would insulate and block the chimney and put a through-wall extractor on the external wall. |
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7th Jul 2024 11:35am |
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| Barneyboy Member Since: 19 Nov 2014 Location: Exmoor Posts: 1615 
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Hi, thank you all for all of your comments
 I never even realised a chimney extractor existed so that is an option, the flue/liner has been swept in the last couple of days the walls are quite thick but could possibly be an option so as to fit a through wall extractor please keep the ideas coming cheers Paul |
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7th Jul 2024 12:42pm |
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| julian Member Since: 17 Feb 2017 Location: Devon Posts: 93
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It's unclear currently if your existing stack is lined or not.
If it's not got a metal flue up there, I'd be right dubious of pumping greasy air up there. If it has a metal liner, I can't see a whole load of issue with using it as an extractor outlet. Sure there would be some distillate at the cold end, as there would be on initial lighting in it's intended application, however, assuming the liner warmed from the airflow, this would then dry. Depending on the cowel fitted, water ingress from above may be more of a concern. |
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7th Jul 2024 1:35pm |
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| Barneyboy Member Since: 19 Nov 2014 Location: Exmoor Posts: 1615
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Hi Julian, it’s got a metal flue liner currently fitted and the stack is pictured below
 Click image to enlarge |
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7th Jul 2024 1:44pm |
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| julian Member Since: 17 Feb 2017 Location: Devon Posts: 93
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Haha... Classic.
That square plate... That's for when there is no clay pot! They evidently had the wrong kit and just thought "it'll do" (which, in fairness, it does, but it's not as it should be) Anyway, if its got the liner, I would go back to my prior comment - it would be fine to use that pipe as a vent. |
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7th Jul 2024 1:48pm |
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| Barneyboy Member Since: 19 Nov 2014 Location: Exmoor Posts: 1615
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I thought that plate was a strange addition, that’s great to know, thank you cheers Paul |
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7th Jul 2024 2:02pm |
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| AMBxx Member Since: 24 Jul 2016 Location: York Posts: 1028 
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We have a very similar setup with our range. We couldn't vent through the chimney as it's already used by the boiler in the room behind.
Solution was to mount the extractor on the front of the chimney breast and have the ducting run along the ceiling and out an external wall. Bosch do a range of extractors that are very flat. Often mistaken for a TV. https://www.bosch-home.co.uk/product-list/...x=manuals/ |
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8th Jul 2024 5:28am |
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| Barneyboy Member Since: 19 Nov 2014 Location: Exmoor Posts: 1615
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Thank you all for your suggestions, it’s very much appreciated cheers Paul |
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9th Jul 2024 4:29pm |
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