EVERYTHING IS POSSIBLE
Studios, Small Flats and Small Houses – No Water Storage
Keston Combi 30 – (30 & 35 kW)
Offering first-class comfort in a compact, wall-hung appliance small enough to fit inside a standard kitchen cupboard†, the Keston Combi 30 & 35 enable heating and hot water to be controlled independently, ensuring maximum comfort and efficiency.
The Keston Combi & 35 can be sited almost anywhere in the home, without the need for a separate tank. And because they connect to the unique Keston twin-flue system, the boiler can be situated anywhere up to 27* metres from the flue outlet, helping to provide further flexibility when required.
Fully modulating, and with weather compensation, the Combi 30 & 35 provide excellent energy savings, making it the perfect choice for new or replacement installations alike. Complete with a 5 year parts and labour warranty as standard, which can be increased to 7 years with the addition of the Keston 22mm filter.
Studios / Small Flats / Small Houses – With Water Storage
Keston System 30
The Keston System range of boilers provides a simple and reliable solution for a wide variety of sealed domestic systems. Available in 30kW, the Keston System provides a dependable and efficient solution for new and replacement installations.
Time saving push & clip flue spigot connections and a wide range of alternative flueing solutions help to ensure the product is installed quickly in virtually any domestic situation. With a lightweight design, concealed connections at the base and no compartment ventilation required, the Keston System can be conveniently fitted out of sight into a standard kitchen cupboard.
Complete with a 5 year parts and labour warranty as standard, which can be increased to 7 years with the addition of the Keston 22mm filter, the Keston System boiler provides simple heating control, all from a single compact appliance.
3 or 4 Bedroom House – With Water Storage
The *NEW* Keston Heat 2 45Kw
Up to 5 year warranty
LPG variants available
Inbuilt pump (low energy modulating)
5:1 turndown ratio
Low NOx Class 6
Twin flue up to 18m*
Commercial control system compatibility as standard
Built in, serviceable flue Non-Return Valve
Easy servicing; 3 sides removeable
Exactly the same footprint as Heat, allowing for easy like for like replacement
Condensing outputs 45 & 55kW
Large Homes 5-6 Bedroom / Small Commercial – With Water Storage
The *NEW* Keston Heat 2 55Kw
Supported by up to a 5 year parts and labour warranty, Keston Heat 2 is a reliable and efficient wall hung solution. The quality of this product range has been developed through meticulous design, careful component selection and proving; leading to reliability and longevity.
The range provides high efficiencies for low running costs with up to 110% part load, seasonal efficiency (ref Building Regs Part L2) up to 97%. The range also provides low NOx emissions at Class 6. Keston Heat 2 provides the perfect solution for a wide variety of commercial installations.
The Keston Heat 2 range of boilers are easy to cascade using our frame and header kits, where outputs of up to 330kW are possible.
The lightweight design is supported through quality build and aesthetics that allow for the boiler to be installed either on the wall or into a prefabricated floor mounted frame including back-to-back options.
Keston Magnetic Filters
Available in 22mm and 28mm variants
The Keston 22mm System Filter is a magnetic filter for use with Keston Combi and System boilers. The compact design is easy to install and fits on horizontal or vertical pipework in both flow directions. When installed with either the System or the Combi boilers the inclusion of the filter increases the warranty on the boilers from 5 to 7 years.
The filter itself has a 10 year warranty and improves boiler efficiency. It is easy to install, fast and easy to clean and Reduces cost of running boiler.
The Keston 28mm System Filter is a magnetic filter for use with Keston Heat boilers. The compact design is easy to install and fits on horizontal or vertical pipework in both flow directions. When installed with a Heat boiler the inclusion of the filter increases the warranty on the boilers from 2 to 5 years.
The filter itself has a 7 year warranty and improves boiler efficiency. It is designed for larger heating systems but is for single boiler installations only, not be used on multiple boiler cascade installations. Quick to install with Rapid fit connectors for faster servicing and a Low profile drain valve designed for easier servicing and dosing, it has a Ultra-thin sheath to enhance magnetic capture and the Bi-directional flow means either port can be an inlet.
Very Large Homes / Commercial
Frame & Header Kits
Keston Heat 2 Frame and Header Kits are suitable for modular (cascade) boiler installations, and are available up to a maximum output of 330 kW.
Packs include flow & return headers with mixing header and gas header, all with fixing brackets. For easy connection, flexible stainless steel pipe and connections are supplied together with pressure relief values, boiler shut off valves and drain cock. Flow, return and low loss headers together with the flexible boiler connections are all pre insulated. Separate single boiler frame kits are available for use with in-line kits if required.
Fit easily through standard doorways
Lift weights are as low as possible
Compatible with a Keston Sequencer
Supplied with a low loss / mixing header, saving time and money on the installation
All flow and return pipe work is pre-insulatedExtremely compact dimensions allow for replacement of existing standard efficiency floor standing boilers
All pipe work connections are supplied with either the boiler, header kit or are pre-assembled to the header kit
Maximum outputs of 330 kW available
Keston Magnetic Low Loss Header
Ideal Commercial Magnetic Low Loss Headers are an additional approach to hydraulic separation, covering duties from 30kW to 600kW.
The Magnetic Low Loss Header will help protect the boiler and system components from the damaging effects of corrosion debris.
Used in conjunction with Ideal Commercial’s Low & Standard Height Frame & Header Kits, these units have minimal effect on performance when compared with the standard low loss header.
BENEFITS
• Compact design
• Direct replacement for the standard unit
• Easy installed with Ideal Commercial’s Frame and Header Kits
• Low maintenance
• Ensures system efficiency
• Prolongs system component life
• Optional isolation butterfly valves available
Note: To prevent further corrosion, a good quality inhibitor must be added.
Keston Brazed Plate Heat Exchanger
Covering outputs of 60, 150, 300, 450, 600, 750 and 900kW. Brazed Plate Heat Exchangers ensure optimum heat transfer efficiency and low resistance within a compact footprint. To be used with Ideal Commercial Frame and Header kits.
FEATURES & BENEFITS
• Compact design
• No gaskets
• Low maintenance and self-cleaning
• All units are pressure tested
• To be used with Ideal Commercial Frame and Header kits
• Ensures optimal heat transfer efficiency and pressure resistance
• Separates system water from the boiler
• Ensures the highest performance for longest possible service life
Greenheat supply and fit all models of Keston Boilers. The information provided above is a guide for the most popular models from the current range and suitable applications. Please note boiler types and sizes are only suggestions. We would suggest these are all checked for the output needed for your property. ‘Water storage’ means that you have a method of storing water in your home ie. a hot water cylinder or unvented hot water cylinder.
Made in the UK
In a high tech facility in Hull
Serviced, Maintained and Installed by Greenheat UK
Across London and South East
Twin Flue Design
Providing the perfect solution for problematic and awkward installations.
The Keston Twin Flue system provides maximum flue flexibility, enabling you to run the flue vertically or horizontally from an elevation of 1.5º. The flue can be extended up to 27 metres from the boiler allowing for easy and hassle free installation, allowing the boiler to be sited in the most convienent and practical location.
Your Keston Boiler can be situated in any room, any place, anywhere¹
¹ Subject to maximum combined flue length of 27m
Greenheat supply and fit all models of Keston Boilers. The information provided above is a guide for the most popular models from the current range and suitable applications. Please note boiler types and sizes are only suggestions. We would suggest these are all checked for the output needed for your property. ‘Water storage’ means that you have a method of storing water in your home ie. a hot water cylinder or unvented hot water cylinder.
A Keston
for all Occasions
The range includes both domestic and light commercial models, complete with twin flue capability.
The new model boilers can be installed onto the existing flue systems from legacy Keston boilers providing the flue materials comply with the following:
Marley muPVC Solvent Weld System (50mm)
Polypipe System 2000 muPVC Solvent Weld (50mm)
Polypipe Terrain 200 muPVC Solvent Weld System (50mm)
Wavin OSMA PVC-C Solvent Weld System (50mm).
The Flue installation must comply to current standards including the flues in void regulations.
