Extractor grille - what type?
I need a grille on an exterior wall for a 150mm cooker hood extractor.
The choice is louvred, gravity or cowled. Which is best? Cheers -- Clive |
Extractor grille - what type?
On 23/11/2017 10:05, Huge wrote:
On 2017-11-23, Clive Arthur wrote: I need a grille on an exterior wall for a 150mm cooker hood extractor. The choice is louvred, gravity or cowled. Which is best? IME, gravity. Otherwise you get a howling gale back through the hood when it's switched off. 'IME' is just want I wanted to hear, thank you. Grille ordered, case closed. Cheers -- Clive |
Extractor grille - what type?
On 23/11/17 10:13, Clive Arthur wrote:
On 23/11/2017 10:05, Huge wrote: On 2017-11-23, Clive Arthur wrote: I need a grille on an exterior wall for a 150mm cooker hood extractor. The choice is louvred, gravity or cowled. Which is best? IME, gravity. Otherwise you get a howling gale back through the hood when it's switched off. 'IME' is just want I wanted to hear, thank you.Β* Grille ordered, case closed. Cheers Beware that gravity ones will clack and flap in a howling gale.... -- It is hard to imagine a more stupid decision or more dangerous way of making decisions than by putting those decisions in the hands of people who pay no price for being wrong. Thomas Sowell |
Extractor grille - what type?
Huge brought next idea :
IME, gravity. Otherwise you get a howling gale back through the hood when it's switched off. I have had a gravity type installed for some 20 years and still working well. It uses an above centre pivot point, so if the wind blows on it, it tends to close even tighter. |
Extractor grille - what type?
In message , Huge
writes On 2017-11-23, Clive Arthur wrote: I need a grille on an exterior wall for a 150mm cooker hood extractor. The choice is louvred, gravity or cowled. Which is best? IME, gravity. Otherwise you get a howling gale back through the hood when it's switched off. Hmm.. they also clatter on gusty days:-( -- Tim Lamb |
Extractor grille - what type?
On 23/11/2017 10:04, Clive Arthur wrote:
I need a grille on an exterior wall for a 150mm cooker hood extractor. The choice is louvred, gravity or cowled. Which is best? Cheers Best one I installed was a fan that has a grill that opened when the fan was turned on, and closed when turned off. Wasn't particularly expensive, but required fitting directly to the wall - i.e. no ducting. |
Extractor grille - what type?
Clive Arthur wrote:
I need a grille on an exterior wall for a 150mm cooker hood extractor. The choice is louvred, gravity or cowled. I had a draught problem with my ducted kitchen extractor fan, which faces west, and fitted a cowl BM424W: https://www.amazon.co.uk/12-White-Ai.../dp/B00PJ8FNBY It seems, subjectively, to reduce the effects when high winds are blowing against it. Chris -- Chris J Dixon Nottingham UK Plant amazing Acers. |
Extractor grille - what type?
Also somewhere an insect trap grille might be an idea. Wasps can get in and
nest. Brian -- ----- - This newsgroup posting comes to you directly from... The Sofa of Brian Gaff... Blind user, so no pictures please! "Huge" wrote in message ... On 2017-11-23, Clive Arthur wrote: I need a grille on an exterior wall for a 150mm cooker hood extractor. The choice is louvred, gravity or cowled. Which is best? IME, gravity. Otherwise you get a howling gale back through the hood when it's switched off. -- Today is Boomtime, the 35th day of The Aftermath in the YOLD 3183 Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn. |
Extractor grille - what type?
On Thu, 23 Nov 2017 16:23:16 +0000, Chris J Dixon wrote:
Clive Arthur wrote: I need a grille on an exterior wall for a 150mm cooker hood extractor. The choice is louvred, gravity or cowled. I had a draught problem with my ducted kitchen extractor fan, which faces west, and fitted a cowl BM424W: https://www.amazon.co.uk/12-White-Ai.../dp/B00PJ8FNBY It seems, subjectively, to reduce the effects when high winds are blowing against it. Chris I fitted one over the backdraught shutter on an extractor. The outlet is in the SW wall, so I did it mainly to keep out the weather. There's still some clattering, but a kitchen extractor probably has heavier louvres and is lower down. For fewer beer tokens: https://www.toolstation.com/shop/Ele...ir+Cowl/p50375 Brown or white. -- Peter. The gods will stay away whilst religions hold sway |
Extractor grille - what type?
On 24/11/2017 08:51, Brian Gaff wrote:
Also somewhere an insect trap grille might be an idea. Wasps can get in and nest. I had an extractor with a chunk of glass wool or similar behind the inside grill, which collected dust so I removed it. Most of the (gravity) louvres on the outside grill had fallen off. I expect it was to stop insects, but there was a 15' duct so I don't suppose many would have been so adventurous. Wasps might have made a nest /inside/ the duct I suppose. -- Max Demian |
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