The skilled engineers at Keep Warm Heating are trained to install and service the Viessmann domestic boiler range. As Viessmann approved Installers will always look for the most affordable solution to your problem.
The Viessmann’s domestic product range has been built around a long established reputation for high quality commercial heating systems. Viessmann has utilised its extensive knowledge and expertise to develop domestic heating products that define the quality benchmark for other brands. Viessmann manufactures all of its own products and most controllers to ensure that the drive for quality remains throughout the entire range and that there are additional benefits from combining its heating technologies.
Vitodens 100-W Combi
The Vitodens 100-W high efficiency gas condensing boiler, manufactured by Viessmann in Germany, is loaded with features for easy installation, high efficiency and impressive fuel savings.
Take advantage of these benefits
- Heating circuit pump and integral expansion vessel
- Permissible boiler operating pressure 3 bar
- SEDBUK (2005) seasonal efficiency 90%
- Room thermostatic and weather compensated control unit options
- DHW flow rate of up to 14 l/min
- Pre-heat facility for better hot water comfort
- 5 year comprehensive warranty as standard
Vitodens 200-W System
The Vitodens 200-W is loaded with features and functions to make installation, fault-finding and servicing easy.
Take advantage of these benefits
- Low energy heating circuit pump (2 speed) and integrated diverter valve (for the connection of a DHW cylinder)
- Optional high efficiency A rated modulating pump
- Permissible boiler operating pressure 3 bar
- SEDBUK (2005) seasonal efficiency 90.7%
- Wide modulation ratio of 1:4, e.g. 6.5 kW to 26 kW, ensures optimised burner operation
- 10 litre expansion vessel
- Can be electronically interlocked with Vitosolic controller for optimum solar efficiency
Vitodens 222-F Storage Combi
This storage combination floor standing condensing boiler is designed specifically for modernising heating systems and replacing older gas fired boilers with DHW cylinders.
Take advantage of these benefits
- Two cylinder sizes, 100 litres and 130 litres for best hot water performance
- DHW expansion vessel and DHW circulation pump can be integrated inside the appliance
- Dynamic burner cycling reduces the number of burner starts over the year by a third
- SEDBUK (2005) seasonal efficiency 91%
- Wide modulation ratio of 1:4, e.g. 6.5 kW to 26 kW, ensures optimised burner operation
- For natural gas and LPG (conversion is made on valve settings and controller coding)
- Includes unvented safety kit and DHW expansion vessel