Worcester - Combi - Greenstar Highflow 440

The Greenstar Highflow 440 boiler is a large floor standing condensing combination boiler, a part of a market leading energy-saving Worcester combi series. It can deliver 20 litres of domestic hot water per minute, making the appliance ideally suited for use in medium to large sized family homes, incorporating up to two bathrooms.

Greenstar condensing boilers deliver this energy-saving performance by recycling exhaust gases to extract and re-use latent heat A highly efficient use of energy which also reduces carbon dioxide in the atmosphere.

Pick up only NO DELIVERY - you must make arrangements to pick item up.

Key Features:

• 30kW DHW (domestic hot water) output, delivering 20 litres/minute flow rate
• Seasonal Efficiency of Domestic Boilers in the UK(SEDBUK) A-rated efficiency ENVIRONMENT FRIENDLY
• Suitable for larger family homes with multiple bathrooms
• Multi-directional fluing
• Optional plug-in twin channel programmer
• Hot water and central heating temperature controls, consumer comfort and flexibility
• 2 year** warranty with 10 year** warranty on primary heat exchanger
• The Greenstar Highflow 440 has an advantage called "modulating"-control of both domestic hot water and central heating which, in combination with separate consumer controls, temperatures can be adjusted seperatly to suit your requirements.
• The Greenstar Highflow 440 also delivers hot water full mains pressure so it may be possible to incorporate a high pressure shower in your home so need for a separate shower pump.
• LPG boiler available

  Specification:

  Title	Value
  Hot/cold water connections	15mm compression
  Height (mm)	850
  Width (mm)	600
  Depth (mm)	600
  DHW flow rate @ 35°C rise	20
  Condensate disposal pump	Yes
  Gas connection	22mm compression
  Pressure relief valve	15
  Heating flow and return connections	22mm compression
  Condensate connection	22mm plastic pipe
  Primary water content	51 (litres)
  NOx classification	Class 5
  Floor mounted pre-plumbing jig	Yes
  Fault diagnostic display	Digital
  Plug-in timers	Yes (optional)
  Night set back module	Yes (optional)
  Optimising room temperature controller	Yes (optional)
  Weight - dry (kg)	112
  SEDBUK value %/band - natural gas	91%/Band A
  SEDBUK value %/band - LPG	92.2%/Band A
  Min. domestic inlet pressure for max. DHW flow rate (bar)	1.5
  Min. domestic inlet pressure to operate the appliance (bar)	0.5
  Max. domestic inlet pressure (bar)	10
  Output to central heating kW	7.5 - 29.2
  Output to central heating (Btu)	(25,590 - 99,630)
  Filling Link	Yes
  Max. vertical flue (mm) (100mm dia.) inc. terminal	6,400
  Max. horizontal flue (mm) (100mm dia.)	15,000
  Max. vertical flue (mm) (125mm dia.) inc. terminal	4,000
  Max. horizontal flue (mm) (125mm dia.)	13,000