Vernon B Posted August 3, 2007 Share Posted August 3, 2007 I wonder if its generally known that its possible to retro fit a 12v fan to many of the simple, hole in the roof, vents. I've being looking to boost the ventilation in my van and had assummed it would involve purchasing a brand new unit and, in order to avoid any risk of water ingress, employ a first rate company to do the installation. As it happens my existing vent (circa 2003) was manufactured by Omnistor who offer a fan kit which I was able to fit myself in less than 1 hour. (I have to confess that a 12v supply was near at hand). The kit cost £77.94 compared with £120.89 for the complete vent/fan unit but to that saving of £42.95 you can add a further £60-£100 + VAT in labour. And the unit certainly makes a big difference. Vernon Link to comment Share on other sites More sharing options...
Mrs Sea Posted August 3, 2007 Share Posted August 3, 2007 Vernon B What size of vent are you talking about? We could do with a fan unit for our toilet roof vent but its very small (circular non opening). Link to comment Share on other sites More sharing options...
Vernon B Posted August 4, 2007 Author Share Posted August 4, 2007 Mrs Sea - 2007-08-03 10:05 PM Vernon B What size of vent are you talking about? We could do with a fan unit for our toilet roof vent but its very small (circular non opening). Hi Mrs Sea Sorry, the type of vent I'm talking about is a square one measuring 40cm x 40cm. More details are available on www.omnistor.co.uk. I'm pretty sure you can get a round fan vent but that would involve a complete change of unit. V Link to comment Share on other sites More sharing options...
Mel B Posted August 4, 2007 Share Posted August 4, 2007 Mrs Sea - 2007-08-03 10:05 PM Vernon B What size of vent are you talking about? We could do with a fan unit for our toilet roof vent but its very small (circular non opening). Why not try a ships chandlers? I would think they'd have something suitable. Link to comment Share on other sites More sharing options...
Ranger Posted August 4, 2007 Share Posted August 4, 2007 Hi Vernon B, if it is the little mushroom shaped vent, have you thought of using a fan unit from the blown hot air system. Plenty around, I fitted one in a loo roof vent years ago, as far as I can remember it was easy to fit and just about effective enough. Link to comment Share on other sites More sharing options...
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