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Ravenheat 85 CSI AAA 780 28kW Combi Boiler

Including Standard Horizontal Flue

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Availability: Out of stock

Regular Price: £550.00

Special Price: £525.00

Inc. VAT

To achieve 90% efficiency CSI 85 uses a patented secondary aluminium heat exchanger which extracts more heat from the combustion process and results in lower temperature flue gases. It is recommended by the Energy Saving Trust. It comes with 3 years warranty.
custom block
custom block1

Main features:

Fully modulating burner and fan
Built-in automatic bypass

Differential pressure switch (prevents dry firing and protects the heat exchanger)

Built-in condensate trap and flexible condensate pipe

Pump overrun on heating

Fan overrun to clear the combustion chamber quicker

Daily pump kick

Frost protection

Extended anti cycling device allowing the boiler to still fire if the return temperature drops significantly

Easy to access all major components from the front + controls under lift-up flap

Colour coded, compact and standardised valves that sit close to the wall

Integrated isolation valves rather than tails

Simplified diagnostics and status codes

Comes pre-wired with 1m of flex

Rear piping / stand off bracket available

Fully insulated casing ensures minimal noise

Operates even on low mains water pressure

Straightforward commissioning process

Flue gas analysis points on the flue

Additional Information

Product Type No
Fuel Gas
Manufacturer No
Model No
Application Domestic
Manufacturer's Warranty 3 Years
Country of Manufacture
Width 450 mm
Height 770 mm
Weight 27.0000
Depth 310 mm
Max Heat Output @ 60ºc (KW) No
Min Heat Output @ 60ºc (KW) No
Flow Rate (I/min) 11.0
Efficiency 90.2


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