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Typical Gas Combination Boiler Heating System

Advantages:

Compact size makes combi boilers perfect for smaller properties
No need for a hot water cylinder which allows increased living space
No cold-water storage tank, frees up loft space for conversion
Hot water is delivered at mains pressure, which means that you could get a powerful shower without the need of a separate pump.

Our Boiler Recommendations

Greenstar CDi Compact Series

28 – 36kW
User-friendly displays, makes boiler easy to operate
Can be installed in a kitchen cupboard
Wide choice of matching controls, enables greater comfort

Greenstar Si Compact Series

25 and 30kW
Hot water can be adjusted to fine tune your comfort
Wide choice of matching controls, enables greater comfort and economy
Frost protection is also included

Greenstar I Series

25 and 30kW
Hot water can be adjusted to fine tune your comfort
Wide choice of matching controls
Simple to use control panel which provides information on the boiler operation and allows the temperature of the water in the radiators and the hot water temperature to be easily adjusted

Greenstar Highflow CDi Series

30kW and 41kW
Wide choice of matching controls enables greater comfort and economy
Frost protection and condensate pump reduces frost risk if installed in a garage or cellar

Greenstar 8000 Style

30 – 50kW
Stunning design- led boiler available in a high gloss black or white
Part of our most powerful wall hung boiler range
More connected, with wireless compatibility with the Bosch EasyControl

Greenstar 8000 life

30 – 50kW
Parts of our most powerful wall hung boiler range
More connected, with wireless compatibility with the Bosch Easy Control
More connected, with wireless compatibility with the Bosch EasyControl

Typical Regular Gas Boiler Heating System

Advantages:

Perfect for homes where a lot of hot water is used at the same time
Great where there are two or more bathrooms
A good option in areas where water pressure is low
Compatible with solar water heating systems for a lower carbon footprint and lower energy costs

Our Boiler Recommendations

Greenstar Ri

27 and 30kW
can be installed in a kitchen cupboard
compatible with choice of Worcester Bosch controls

Greenstar Ri

9 – 24kW
Suitable for homes where the heating system includes a hot water storage cylinder
Can be installed in a kitchen cupboard
Frost protection is also included

Greenstar CDi FS Regular Series

30 and 42kW
Stored hot water can be rapidly replenished with high output options
Frost protection and condensate pump reduces frost risk if installed in garage or cellar

Greenstar 8000 Life Regular

30 – 50kW
Features a modern new design
Part of our most powerful wall hung boiler range
More connected, with wireless compatibility with the Bosch EasyControl

Typical System Gas Boiler Heating System

Advantages:

Great for homes with more than one bathroom
Constant supply of hot water to multiple taps at the same time
No need for a loft tank, freeing up space and eliminating worries about leaks or frost damage
Economical to run

Our Boiler Recommendations

Greenstar I System

27 and 30kW
Can be installed in a kitchen cupboard
User-friendly displays make boiler easy to operate
Can be used with Worcester Bosch controls and Greenskies solar panels for energy and cost savings

Greenstar I System

9 – 24kW
Suitable for homes where the heating systems includes a hot water storage cylinder
All system components are neatly contained within the boiler
Simple to use control panel which provides information on the boiler operation and allows the temperature of the water in the radiators to be adjusted

Greenstar 8000 Life System

30 and 35kW
Features a new design
Part of our most powerful wall hung boiler range
More connected, with wireless compatibility with the Bosch EasyControl

Typical Oil Boiler Heating System

Our Boiler Recommendations

Greenstar Heatslave II Series – Combi

Suitable for kitchen installation. Can be installed under a work surface
Works with water heaters by green sources such as solar energy and wood fired boilers for increased efficiency
Concealed controls, ideal for families with younger children

Greenstar Heatslave II External Series – combi

A robust, durable external cabinet that blends in with the garden
Built-in frost thermostat automatically protects the appliance from freezing
IP45 Ingress Protection – ensures the boiler is protected from water, dust and external elements

Greenstar Danesmoor System Series – Regular and System

Perfect for a kitchen or utility room
Quiet in operation
Compatible with Worcester Bosch Greenskies solar and Worcester Bosch Greensource air to water heat pumps for greener, lower cost hot water and heating

Greenstar Danesmoor System Utility Series – Regular and System

Perfect for a kitchen or utility room
Concealed controls, ideal for families with young children
Quiet in operation
Compatible with Worcester Bosch Greenskies solar and Worcester Bosch Greensource air to water heat pumps for greener, lower cost hot water and heating

Greenstar Danesmoor System External Series

A robust external cabinet design ensures full weatherproofing
IP45 Ingress Protection Ensures high performance even in harsh weather conditions
Added protection against freezing
Compatible with Worcester Bosch Greenskies solar and Worcester Bosch Greensource air to water heat pumps for greener, lower cost hot water and heating

Water Tank

When a system or regular boiler is installed, there will always be a requirement for a hot water cylinder. Hot water is provided by taking heat from the boiler and pumping it through the central heating system to the cylinder where the heat is transferred via the cylinder’s heat exchange coils. This water is then stored ready to be passed through taps and showers when required.

Older, non-insulated cylinders tend to lose a considerable amount of heat and are likely to have a build-up of limescale, which reduces efficiency and makes water heat-up times longer. Even insulated cylinders over 10 years old lose more heat than modern ones.

Unvented cylinders have been designed to offer significant performance improvements over traditional cylinders. They combine rapid re-heat times with high heat retention and are guaranteed up to 25 years. They also come in a wide range of capacities, from 90 to 300 litres, so you can be sure of a size that’s exactly right for your home and lifestyle.