Gas boiler GB402

commercialindoorcondensing

The GB402 is available in the following kW outputs: 320kW 395kW 470kW 545kW 620kW NOx emissions below 40mg/kWh NOx emissions of 40mg/kWhr Seasonal Efficiency (L2B) 320kW 96.4%, 395kW 96.8%, 470kW 96.7%, 545kW 97.0%, 620kW 96.8% Boiler outputs from 320 - 620kW Suitable for cascading of multiple boilers Controls can be installed at the side or on the front of the boiler Suitable for use with RC35 (single boilers) or 4000 series controls EMS control with auto-diagnosis system Aluminium/Silicon heat exchanger Water-side stream optimised for effective and robust operation No minimum water volume circulation Simple commissioning and maintenance Fully modulating pre-mix burner Sealed combustion operation possible Efficiency of 109.7% at 40/30°C Maximum operating pressure of 6 bar Extremely quiet, operates at 55dB(A) at full load Weight (depending upon output) 410kg to 520kg Easy transport, assembly and installation Can be installed in either orientation to suit the plant room layout.