Hot-water boiler BENEKOV R76 is designed for heating medium-sized objects - shops, schools, guest houses, office buildings, plants and other objects, whereas the thermal loss of these objects does not exceed 75 kW.

Power75 kW
Fuel container capacity500 l
Class of boiler5th Class
Energy performance class
Electric input389 W
Dimensions1752 x 1907 x 1857 mm (Width x depth x height)
Weight1395 kg
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Boiler features
  • The boilers comply with the EKODESIGN requirements 
  • Peak effectiveness of the boilers oscillates around 90% within the entire effictiveness scope
  • minimum emission load for the environment
  • automated operation of the boilers
  • possibility to burn renewable resources of energy in a form of wood pellets 
  • mechanical feeding of fuel from an in-built feeder to the combustion chamber
  • operation and maintenance are simple and not time-consuming
  • low operating costs
  • Automated ignition of the boiler in the base package
  • Automated cleaning of the interchanger in the base package
  • Controlled combustion by means of a lambda-probe
  • Modulation of the thermal output in the entire effectiveness scope
  • The boiler may be, including the boiler drum, dismantled into several small units, which simplifies its transport to a boiler-room and assembly
  • modern design
  • possibility of connection fly-ash-handling device (on request)
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Operating a boiler

Similarly to other products of ours, safety operation of the boiler is guaranteed by an emergency thermoregulator, which serves to protect the heating system against overheating. The engine of the snail feed device is equipped with a thermal safety fuse to avoid overloading. Safety thermal fuse safeguards the boiler against fire penetration of the fuel into the fuel reservoir in case of a longer electric power cut. The feeding mechanism and fuel reservoir are divided by a turnstile, which prevents fire penetration to the fuel reservoir.

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Connecting a boiler

The control unit enables the boiler to be connected to the cascade, operation of two heating circuits and connection to the accumulation tank. Recommended connecting diagrams can be downloaded from our web pages.

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Technical Information
Weight kg 1395
Water capacity dm3 290
Chimney diameter mm 200
Heat transfer surface m2 9,1
Fuel container capacity dm3 500
Boiler dimensions: width x depth x height   mm 1752x1907x1857
Size of the fuel container filling gap mm 610x1196
Class of boiler acc. ČSN EN 303-5 5
Working water ovepressure bar (kPa) 2,0 (200)
Tested water overpressure bar (kPa) 4,0 (400)
Recommended working temperature of heating water °C 65 - 80
Lowest temperature of incoming water °C 60
Hydraulic loss of boiler  
∆ T = 10 K mbar 4
∆ T = 20 K mbar 0,9
Noise level dB < 65dB (A)
Chimney draught mbar 0,08 – 0,13
Boiler connectors    
- heating water       Js G 2”
- return water Js G 2”
Connecting voltage   1 PEN ~ 50 Hz   230 V
Electric input at nominal power W 389
Electric protection   IP 20

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Documents available for download

Documents available for download

Control unit manual (pdf | 1.35MB)

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