sepster
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Considering DIY'ing a Brivis Ducted Heater - 2007/09/19 17:43
Hi,
First off - Great site!
I'm currently obtaining quotes from local companies (in Hobart, Tas) but frankly am disgusted with the pathetic service I've received from them so far. Imagine my surprise when I found your site and realised that the local mobs are not only providing poor service, but are offering completely uncompetative prices as well!
I am looking to go with a Brivis MPS HE 20kw model (~16.5 square, 3.5 bedroom, one storey house), and I'm confident that with the right information, I can install this system myself (so would be purchasing one of the pre-packaged DIT ducting kits... what a great idea, by the way!).
For my house, under-floor access is excellent (ie ~1.5m height under most of the house), and in-roof ducting is not an option as much of the roof is a suspended cement slab.
I noticed that you recommend the roof DIY kit for an internal heater, and an under-floor DIY kit for the external unit, which maybe suggests I should be getting an external heater unit for the under-floor installation at my place.
I have a garage area under the house with a large (otherwise unusable) area off to the side (still under the floor) that would be an ideal spot to sit the heater unit.
However, given the ease of access to this area I'm unsure if I should be using an external unit instead of the recommended internal unit. I presume the difference b/w the two is that external unit is safer to touch and hence should be used in areas that are easily accessible (can you pls confirm the difference?).
I note also that the Brivis brochure indicates that the internal and external units have slightly different airflow. Is a higher airflow better or worse?
Are you able to advise which unit I should be using?
Further to this, I understand that a metal flue is not required, and that PVC tubing is ok to use with the 5 star MPS systems. Can you confirm this?
Does the manual/dvd provide instructions regarding how to install the flue and drain (eg maximum flue length, correct diameters, allowed elbows, etc)?
Thank you for your time! I look forward to doing business with you!
Best regards,
Ben Roberts.
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