Vaillant Ecotec Plus 618 ErP System Boiler 0010021830
The Vaillant ecoTEC 618 plus high efficiency system boiler combines fantastic efficiency levels and high performance with great usability.
Usually installed with a hot water cylinder, the Vaillant ecoTec 618 system boiler can be filled directly from the water mains, meaning that you (normally) won’t need a cold water tank in the loft, and it will ensure you have a large body of water stored for use in your home.
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Specification
- Gas inlet connection: 15mm
- Connections heating flow and return: 22mm
- Connector expansion relief valve (minimum): 15mm
- Flue size (concentric): 60/100mm
- Condensate drain (minimum internal diametre drain): 19mm
- Inlet gas working pressure (G20, natural gas): 20mbar
- Inlet gas working pressure (G31, propane): 37
- Gas flow rate at 15°C and 1013 mbar (based on hot water generation, if applicable), G20: 2m³/h
- Gas flow rate at 15 °C and 1013 mbar (based on hot water generation, if applicable), G31: 1.5kg/h
- Approved flue type: C13, C33, C43, C53
- NOx class: 5
- SEDBUK SAP seasonal efficiency 2009: 89.3%
- ErP rating: A
- Boiler dimensions (WxHxD): 440x720x338mm
- Weight (boiler only): 36kg
- Nominal heat output range of central heating at 50°C flow/30°C return: 4.2 - 19.3kw
- Nominal heat output range of central heating at 80°C flow/60°C return: 3.8 - 18.5kw
- Maximum DHW output: 18.5kw
- Maximum DHW input: 18.9kw
- Maximum central heating input: 18.6kw
- Minimum central heating output: 4kw
- Maximum flow temperature: 85°C
- Adjustable flow temperature (default setting: 75°C): 30 - 80°C
- Maximum CH system pressure: 3bar
- Mains water pressure required for maximum flow rate: 0.8bar
- Expansion vessel capacity: 10 litre
- Volume of water circulating (ΔT= 20 K): 796l/h
- Approx. Condensation volume at 50°C feed/30°C return: 1.9l/h
- Remaining feed head of pump (at nominal circulation water volume): 0.25bar
- Electrical supply voltage: 230v 50hz
- Internal fuse (slow) main voltage: 2A
- Minimum electrical power consumption: 35w
- Maximum electrical power consumption: 65w
- Standby electrical power consumption: <2w
- Protection class: IP X 4D
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