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Worcester - Combi - Greenstar 28i Junior

Part No:7716130142

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Discontinued

Product Information

The Greenstar 28i Junior is part of market demanding Worcester-Bosch combi boilers series.Greenstar 28i junior is available in natural gas and LPG models.The Greenstar 28i junior contains a heat cell (constructed from cast aluminium and silicon) with a large surface area such that more heat from fuel gases can be extracted and gives more efficiency.This michanism helps to reduce heating and hot water bills by 15-20%.They are up to 30% cheaper to run than older boiler.

Greenstar 28i junior  boilers are highly efficient and highly cost effective. They can consume up to 90% of the gas and gives best perfomence.It is light weight easy to carry.Because of its michanism it releases less carbon dioxide in the atmosphere. Greenstar 28i junior can be installed by one person.

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

 Key Features:

  • Multi-directional fluing
  • Central heating temperature control available
  • SEDBUK(Seasonal Efficiency of Domestic Boilers in the UK) A-rated efficiency - environmentally friendly
  • Keep hot facility - instantly heated hot water
  • 24 hour programmable room thermostat available
  • Compact dimensions, space saving and siting flexibility
  • 28kW domestic hot water (DHW) output (24kW output also available for this boiler)
  • Mechanical, digital and radio frequency (RF) control options available
  • Includes wall mounting frame for optional vertical pipework
  • Low NOx and CO2 emissions - environmentally friendly
  • 2 year** warranty with 10 year** warranty on primary heat exchanger
  • LPG boiler available

Specification:

TitleValue
Height (mm) 710mm (max)
Width (mm) 400mm
Depth (mm) 330mm (max)
Weight 27.1kg
DHW flow rate @ 35°C rise 11.4L/min
SEDBUK Value/band 90.1%/Band A
Output to domestic hot water 7.2 - 25kW (24,560 - 95,540Btu/hr
Output to central heating 7.2 - 24kW (24,560 - 82,000Btu/hr)
Solar compatible No
Maximum horizontal flue (100mm Ø) 4,600mm (inc. terminal)
Maximum vertical flue (100mm Ø) 6,400mm (inc. terminal)
Maximum horizontal flue (125mm Ø) 13,000mm (inc terminal)
Maximum vertical flue (125mm Ø) 15,000mm (inc. terminal)
Mains cold water inlet 15mm compression
Domestic hot water outlet 15mm compression
Gas connection 22mm compression
Pressure relief valve 15mm
Heating flow and return connections 22mm compression
Condensate connection 22mm plastic pipe
Maximum domestic water inlet pressure 10bar
Minimum domestic water inlet pressure for maximum DHW rate 1.3bar
Minimum domestic water inlet pressure to operate the appliance 0.2bar
Primary water content 3.9 litres
NOx classification Class 5
Wall mounting jig Yes
Filling loop Optional
Plug-in timers 1 (optional)
Optimising room temperature controller 1 (optional)
Condensing in DHW mode No

5

1 customer review

5 stars

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How We Gather Reviews
Good value for money
Boilers are always a problem with sm thing or the other going wrong all the time. i replaced my old boiler with this 1 and its been over six month no problem as yet. :D. Gr8 product would def recommend.

Hadley from nottingham

1 Question

how much to install this boiler

Asked by jimbo

ANSWER

craig replied on 4th August 2014

Hi, unfortunately we don't offer any fitting services at this moment in time. You would be best getting a price from a local plumber. Thanks!

Showing 1 of 1 questions

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Worcester - Combi - Greenstar 28i Junior

Discontinued