WALL ROMA ECO Wall Boiler Condensation Main features • Models: 21kW; • Heating and instantaneous domestic hot water production • New Stainless Steel Premixed Micro-flame Burner • New High Flow Rate Stainless Steel Single-tube Exchanger (Polymer coated) • Clean Architecture, Designed For Access For Maintenance • Brass Hydraulics With Motorised Three-way Valve • Reduced Dimensions, The Smallest On The Market • Operating Modes: • Summer (just instantaneous DHW production) • Winter (heating and instantaneous DHW production) • Airtight chamber / Forced draw (type C) • Anti-frost function • Electronic ignition • Full electronic modulation • Energy Efficiency Class Heating/DHW): A / A Product description An articulated project based on an innovative product architecture and an extremely reliable technology that uses singletube stainless steel exchanger to give the user maximum comfort and energy saving. Models: 21kw. Models and Prices Code ROMA ECO Wall Boiler 21 (Natural Gas) ROMA ECO Wall Boiler 21 (LPG) TECHNICAL DATA Nominal Thermal Output ref. PCI (80°C/60°C) Minimum Thermal Output ref. PCI (80°C/60°C) Nominal condensation power ref. PCI (50°C/30°C) Minimum condensation power ref. PCI (50°C/30°C) DHW useful heat flow rate Nom. Therm. Flow Rate Useful Output ref. PCI (80°C/60°C) Output at reduced load ref. PCI (30% of Pn-50°C/30°C) GAS FLOW at G20 Methane nominal P (2E+) G20 Methane Network GAS PRESSURE (2E+) CO2 (G20) NOx ERP Declared water heating load profile Room heating energy class Seasonal heating energy efficiency Seasonal DHW energy efficiency Min/Max Heating set point Water volume in boiler Water volume in expansion ve

WALL Min/Max Pressure in primary circuit Hot water continuous production AT=30°C Hot water continuous production AT=35 °C Minimum DHW Flow rate Heat.plant available pump head at the flow rate of Q=1000 SANITARY DHW min/max set point Min/Max DHW Pressure ELECTRICAL FEATURES Power supply voltage/frequency Absorbed electric power Protection degree Heating connections HYDRAULIC CONNECTIONS SIZE HxDxW Weight DISCHARGE TUBES LENGHT Possible changes without prior notice. Recommended retail prices. The prices indicated do not include taxes. This data sheet does not replace the manual query.