P-K SOLISª 1500-3000 MBTU Up to 96% Thermal Eff iciency Full Modulation Burner with 10:1 Mechanical Turndown Ultra-Low NOx Emissions 316 SS Tube and Tube Sheet with a 304 SS Heat Exchanger Shell Removable and Hinged Door Panels allow Quick Access to the Firetubes and Burner for Easy Boiler Maintenance Zero-Clearance Capable for Side-by-Side Installation or Close Boiler Room Application Compact Design Fits Through a Standard 36 " Doorway Serviceable and Replaceable Integrated Condensate Tray 650-6000 MBTU Up to 97% thermal eff iciency 316L Stainless steel coil ensures maximum corrosive resistance and durability Full modulation burner with up to 10:1 mechanical turndown Cabinet and heat exchanger design reduce repair and maintenance costs Outdoor Capabilities Variable speed combustion air blower Pressure drops as low as 4.7' at 40° ΔT www.pattersonkelley.com * 877.728.5351http://www.pattersonkelley.com