suntrecker38 Posted April 28, 2012 Share Posted April 28, 2012 Has anyone had any trouble with the Omnivent being hard to open. We have had the same trouble on both the caravan that we had, and now the motor home. In that you can not turn the knob clockwise or anticlockwise to open it. Link to comment Share on other sites More sharing options...
tugga Posted April 28, 2012 Share Posted April 28, 2012 We had one of these in our caravan, just above the cooker. We had the van from new and kept it for 8 years and never once had a problem with it. I found the vent was perfectly easy to open and the switch on the fan, I always had to hold a bit of tissue up to so that I could check that it was blowing out. If you got your motorhome from a dealer, take it back and ask them to check it out for you. Cannot believe you have had 2 that don't work properly! Link to comment Share on other sites More sharing options...
maggyd Posted April 28, 2012 Share Posted April 28, 2012 Is this what your talking about? or do you mean the large one at the back of the van! http://www.hillviewawnings.co.uk/roof%20vents.htm if your talking about the large one I can never manage to open that my O.H has to do it it can be very stiff the first time you open it at the beginning of season. Link to comment Share on other sites More sharing options...
Franco Posted April 28, 2012 Share Posted April 28, 2012 Hi, I find mine (on a Compass Castaway) very stiff to open, but with mine the trick is to 'pull' the turn-knob down (i.e. as you twist it, exert a downward pressure) as I try to twist it- it works all the time for me. Regards Franco Link to comment Share on other sites More sharing options...
Archiesgrandad Posted April 28, 2012 Share Posted April 28, 2012 We had the same problem with one of the vents on our motorhome, the other never gave any trouble. I used to give it a prod with a long thin knife if I was in a hurry, otherwise if I left it under a bit of pressure it would eventually pop up. Be carefull if you try to pull down on the knob, ours fell off, and I never found a satisfactory way of fixing it back on, AGD Link to comment Share on other sites More sharing options...
dragonflyer Posted April 28, 2012 Share Posted April 28, 2012 If you have never managed to open perhaps you have a problem I am sure I have heard about on a forum. The 'lid' has become fixed to excessive sealant around the vent. A check on the roof may eliminate this possibility. Joyce Link to comment Share on other sites More sharing options...
Derek Uzzell Posted April 29, 2012 Share Posted April 29, 2012 As far as I'm aware an "Omni-Vent" has only one size, fitting a 40cm x 40cm aperture. I've no practical experience of the Omni-vent rooflight, but just looking at photos/drawings of the product suggests to me that the opening/closing mechanism is likely to prove problematical. Online comments add weight to this view: http://www.caravantalk.co.uk/community/topic/15775-omnivent-extractor-fan/ Link to comment Share on other sites More sharing options...
dragonflyer Posted April 29, 2012 Share Posted April 29, 2012 Fortunately in six years we have never had a problem with our Omnivent fan. Being baffled by arrow switches, I made tiny labels to indicate in and out movement of air. The only problem we have had is whistling and rattling caused by the wind being in the reverse direction when we are battened down in a gale. This is noticeable at night as we have a drop down bed and the vent is only 18" above our heads. As the winding mechanism is only bits of plastic, we take great care not to stress the opening and closing action and make sure it is shut if the wind is in the 'wrong' direction. Will now keep my fingers crossed. Joyce Link to comment Share on other sites More sharing options...
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