Below, you will find some links to specific boiler spec sheets. As always, if you have any questions, please call us directly.

AO Smith - http://www.aosmithinternational.com/01_Engels/Prod_Cat.html
Baxi - http://www.wallhungboilers.com/
Buderus - http://www.buderus.net/Default.aspx?tabid=873&cid=1&ctitle=residential
Carlin - http://www.carlincombustion.com/products/burnnav.htm
Ergomax - http://www.ergomax.com/E-Info.htm
Laars  - http://www.laars.com/
Rinnai - http://www.rinnai.us/
Weil-McLain - http://www.weil-mclain.com/netdocs/product.htm