Starfire III Water Series Boiler ,   Model: SFH-W Additional Information The SFH Series of wet based cast iron boilers deliver high efficiency,up to 86% AFUE, reliability, and ease of maintenance. The cast iron swing door provides ease of access to the combustion chamber. The SFH-W is built with wide, easy to clean flue-way passages. The recessed target wall, protected from the flue brush during normal maintenance, enlarges the chamber area, contributing to the SFH-W's remarkable efficiency and quiet operation. Efficiency: Energy Star Rated Capacity: 91 - 385 MBH Heat Exchanger: Cast Iron Combustion: Atmospheric Venting: Vertical Vent Boiler Type: Hot Water Brochure 240005087 - SFH-W Rev. 6/09 546.7 kb Installation & Operation Manual 27512801 - SFH-W Rev. A 4.8 MB Other 2761701 - SFH-W Wiring Addendum Rev. 2, 8/2004 41 kb Service & Technical Guide Utica Radiation Tables 69.8 kb Service Bulletin SFH-W Crate Change 201.4 kb Specification Sheet 240005813 - SFH-W Rev. 1.0 650.2 kb Warranty 1595005 - SFH-W Rev. 3.0 31.7 kb