Alpha CD28C Extra

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CD28C Extra Reviews (0 0)

Our rating: 4/5thumbthumbthumbthumbthumb
Efficiency rating: 90.3%*A Rating

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Alpha CD28C Extra

The Alpha CD28C Extra is an upgrade of the flagship combination boiler the Alpha CD28C. The CD28C boiler is an excellent combi boiler, SEDBUK Band 'A' rated and made to a sleek, modern finish. It's dimensions also mean it is comparable to standard kitchen cupboards, making for easy fitting.

Features include:

  • 2m flying mains lead
  • 10 year warranty (years 1-5 parts and labour, years 6-10 parts only)
  • Alpha Hydroblock
  • Anti-cycling device
  • Automatic bypass
  • Daily pump kick
  • Designed-in filling loop
  • Earth bonding plate
  • Fitted pipe clips
  • Frost thermostat
  • Fully modulating low NOx burner
  • Increases boiler guarantee
  • Pipe cover tray
  • Pipes at clip distance from wall
  • Reduces carbon emissions
  • CH output of 25.9 kW, it has a DHW output of 28.7 kW, delivered at a flow rate of 11.4 litres per minute at a temperature rise of 35°C
  • Seasonality valve - automatically adjusts the DHW flow rate by up to 35%, based on the temperature of the incoming main. This allows for improved flow in spring, summer and autumn.
  • Split flow tails
  • Stainless steel heat exchanger
  • Valves & tails factory fitted
  • Variable fixing point plate

The CD28C Extra also comes with the Alpha PremierPack as standard, which is not only a jig for fitting the boiler but also contains the Cyclone facility, which adds longevity to the appliance.

However, when the Extra kicks in it provides homeowners with unparalleled long-term peace of mind. The Extra scheme comes with a generous five year labour guarantee, but also has an unprecedented ten year 'no-quibble' parts guarantee too. This guarantees the boiler whoever the owner is, meaning the guarantee can be used as a selling point should the homeowner ever want to sell up.

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* When review applies to a range of boilers, efficiency applies to best model in range. Always check with manufacturer.