Efficient high temperature ventilator with forward-inclined impeller. http://us.exhausto.com/files/pdf/ProductInformation/3902008.pdf
EXHAUSTO POWER VENTER RSIB
The Exhausto RSIB Power Venter is intended for use as an in-line draft inducer. http://us.exhausto.com/NewSite/rsib_ht.asp
AERCO MODULEX BOILERS
A breakthrough in high efficiency design, this line of condensing and fully modulating boilers supports 300,000 to 1 million BTU/HR. http://www.aerco.com/products/modulex.shtml