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Master BV 471 S (136 kW) Air Bus oil fired heater with flue gas discharge

19,060.00 zł
14,866.80 zł Save 22%

Mobile oil heaters with flue gas discharge are highly efficient devices that ensure constant access of large amounts of warm, clean air.



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Master BV 471 FS oil heater (136 kW) with separate Riello burner

MASTER BV 471 is a highly efficient oil air heater with a heating capacity of 136 kW, dedicated to heating large facilities. Thanks to the combustion chamber with an exchanger, the heater provides clean and dry warm air to the room. Depending on the air outlet used, one, two or four pipes for hot air distribution can be connected to the device. The operation of the heater can be easily controlled by a mechanical or electronic thermostat installed inside the room.

The new fan has a higher pressure of 250 Pa, thanks to which 15 m long pipes for hot air distribution can be connected. The special shape of the fan housing significantly improves and stabilizes the air flow through the exchanger.

An additional burner housing protects against mechanical damage and air contamination. The degree of protection against electric shock for the housing is IP 55. If necessary, the housing can be easily removed.

The high strength and rigidity of the device structure is ensured by the steel frame and the use of screws with metric threads.

Possibility to adapt the device to work in different climates and at different altitudes thanks to digital control. The "Cold Start" switch enables the heater to be started at very low temperatures. The device also uses an integrated electronic control panel with a display and a counter of worked hours.

Easy and quick connection of fuel lines to the external fuel tank. Possibility of optional use of quick couplings of fuel lines

The new AIR-BUS series features an upper exhaust outlet and the possibility of using additional accessory chimney stabilizers.

As standard, the device has 4 handles for transport with a crane. Optionally, the heater can be equipped with handles to facilitate transport with a forklift.

Main features

Turbolizers increasing efficiency

Comfortable handle

Heat exchanger made of stainless steel pipes

Stainless steel combustion chamber

Efficient and quiet ERP axial fan

Optional: chimney fixing kit

Optional: steel handles for transport with a forklift

4 durable handles for transport by crane

Steel frame with metric screws

Integrated electronic control panel. Electronic thermostats

"Cold start" switch for starting at very low temperatures

Optional side steel bumpers

Handles make it easy to open the housing

Steel casing - protects the burner and filters, IP 55 protection, lockable with a key

Possible air outlet: 1,2 or 4-way

Front outlet panels

1 - air outlet

1 x Ø 610 mm

2-way air outlet

2 x Ø 400 mm

4 - way air outlet

4 x Ø 270 mm

Model description

  • Heavy duty steel frame with metric screws
  • Efficient axial fan Reaches a pressure of 250 Pa (400 Pa for the version with a radial fan)
  • Electronic combustion control
  • Unique "Cold start" switch enabling starting at very low temperatures
  • Possibility to connect a room thermostat
  • Possibility to connect 4, 2 or 1 flexible cables
  • Exhaust gas discharge
  • Separate Riello burner
  • The summer-winter switch is used only for ventilation
  • Electronic flame control with photocell
  • Automatic overheating thermostat
  • Safety thermostat
  • Fuel heater
  • Two oil filters: oil pump filter and suction filter
  • Quick coupler for connecting an external tank
  • High efficiency heat exchanger, stainless steel tubes
  • Stainless steel combustion chamber
  • Durable wheels included
  • Control panel protection: IP 55
  • 4 durable handles for transport by crane
  • High pressure version (400 Pa) on request


1,2 or 4-way outlet possible

Burner housing: IP 55, lockable with a key

Inside the housing: Riello burner, electronic control panel

Electronic combustion control The control panel enables electronic parameter settings

Top flue gas discharge pipe with optional fixing kit

Optional handles for transport with a forklift

Very efficient and quiet ERP fan

Easy connection to an external fuel tank

Watch the video







Pomieszczenia gospodarcze i inwentarskie


Heating power

136 kW

Air flow

8,500 m3/ h



Total air pressure

250 Pa

Thermostat control

mechanical or electronic

Fuel consumption

12.93 l / h




50 Hz

Electrical power

1.5 kW

Rated current




Ø of the chimney connection

200 mm

Ø of the air outlet

4 x 270 mm
1 x 600 mm

Device dimensions (L x W x H)

1790 x 880 x 1360 mm

Package dimensions (L x W x H)

1730 x 755 x 1325 mm

Net / gross weight

270/300 kg

Useful links

User manual

Product catalog

10 Items