TriFire ,   Model: TR Additional Information High Efficiency 3 Pass Oil Boiler The TriFire is the industry leading 3-pass oil-fired boiler. That’s because installation is made easy with its simple wiring, piping tree and small footprint. The TriFire is compact and strong with a maximum allowable working pressure of 65 psi. Wide flue ways, a flexible oil line, dual hinged swing door with left or right mount option, site glass and sampling port make the TriFire easy to service. TriFire’s low mass design is eco-friendly too, with AFUEs as high as 86.5% and low standby losses. - High Efficiency 3 pass heat exchanger - Compact Footprint - Piping Manifold Tree - Plug 'n Play wiring - Dual hinged swing door - Flexible oil line - Wide Flue Ways - Site Glass - Sampling Port - All models Energy Star Rated Brochure 240007378 - TriFire Rev. 4/09 645.9 kb Installation & Operation Manual 240007211 - TriFire Knockdown Instructions Rev. B 1.4 MB 240007136 - TriFire Rev. D 3.3 MB Parts Lists 240007137 - TriFire Rev. D 1.9 MB Product Bulletin Tri-Fire Product Bulletin 3/10/09 134.2 kb TriFire Product Bulletin 4/8/08 118.4 kb TriFire Product Bulletin 9/29/08 17.9 kb Service & Technical Guide Utica Radiation Tables 69.8 kb User Manual 240007138 - TriFire Rev. B 634.5 kb Venting Addendum 240007546 - TriFire Direct Vent Addendum Rev. B 2.7 MB Warranty 240007440 - TriFire Warranty Rev. 4/08 28 kb