BlueFlame is an atmospheric boiler / water heater with light commercial / commercial and industrial applications delivering thermal efficienies of up to 83%. Standard Features: ◦Diagnostic lights help troubleshoot over the phone ◦Optional digital temperature control is extremely accurate to minimize standby losses from temperature overshoot ◦Durable stainless steel burners ◦Adaptable to outdoor use ◦Simple to service ◦Slide out burner tray ◦Slide out heat exchanger ◦Easy side access for inspection of combustion chamber ◦High temperature ceramic fibre tiles in combustion chamber ◦Very smooth and quiet operation ◦Suitable for venting in low ceiling applications with use of power venter and low profile hood efficiencies up to 83% Description: ◦The BlueFlame is available in models 480, 660, 840, 1020, 1200, 1380, 1560, 1740 and 1950 (MBTU/HR). ◦The SmartFlame operating control mounted on the BlueFlame boiler is a two-stage proportional set-point control. Controller provides, inlet/outlet temperature as well as delta temperature rise, three pre-set modes of operation, and many more functions.