CSI 120 Low NOx Reviews (Combi Condensing)

Our rating: 3/5

Efficiency rating: 90.7%*

Ravenheat CSI 120 Low NOx

The Ravenheat CSI 120 Low NOx is a condensing gas combination boiler that has been designed to reduce NOx levels to the lowest of those seen in current boiler models - well below the current range of UK regulated levels. This environmentally friendly design also means that its friendly on the pocket - reducing energy bills by around 35%. It's also extremely compact - likely to be the most compact boiler available on the current market with such a high heating and water output. It's dimensions are only 700mm by 400mm by 300mm deep.

Its output is excellent - over 25 kilowatts for central heating and 32 kilowatts for on-demand hot water. It also has highly technological features such as a fully programmable seven day timer/programme guide and all the controls can be easily accessed under the easy-lift door. It can provide high volumes of hot water too - over thirteen litres a minute, raised at 35 degrees C.

It also has a fully modulating fan and burner, and neat valves, as well as the patented heat exchanger. It's very easy to install - with a plastic 'push-fit- flue' which can be easily fitted with the ready attached casing clamp, and colour coded parts to make it easy to fit. These features mean that its very easy to maintain.

• 3 yr guarantee - with 5 yrs standard on the heat exchanger.
• natural gas or with a conversion kit to switch to LPG
• Range of different flue options
• 13.2l of hot water flow - at 32 kilowatts
• Sedbuk A rated
• Lowest possible class of NOx emissions
• Fully ISO accredited

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