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Master BV 471
Master BV 471

AIR-BUS BV 471-691

Indirect fuel fired air heaters with separate Riello burner

AIR-BUS indirect air flow heaters have a wide heat exchanger in stainless steel pipes and a separate Riello burner. They offer high efficiency and the possibility of connecting up to four flex tubes per unit.

 

Key features

  • Strong and robust steel frame with metric bolts
  • Powerful fan
  • Air pressure 250 Pa (400 Pa for centrifugal version)
  • Digital control of the combustion
  • Unique 'cold start' button for very cold environments
  • Possible connection to 4, 2 or 1 flexible tubes
  • Flue gas exhaust
  • Separate Riello oil burner
  • Summer/Winter switch for ventilation only
  • Electronic flame control with photocell
  • Fan-Limit thermostat with automatic reset
  • Limit thermostat with manual reset
  • Fuel preheater
  • Two oil filters: oil pump filter and suction filter
  • Quick connector to external tank (optional)
  • High-efficiency heat exchanger made of stainless steel pipes
  • Stainless steel combustion chamber
  • Robust wheels included
  • 4 robust crane hooks

Product specifications

Heating power

136
kW
 

Heating power

464,000
Btu/h
 

Heating power

116,900
kcal/h
 

Air flow

8,500
m³/h
 

Fan type

Axial
 

Air pressure

250
Pa
 

Thermostat control

Analogue or digital
 

Fuel consumption

12.93
l/h
 

Power supply

220-240/1ph/50
V/Hz
 

Electric power

1.5
kW
 

Rated current

6.9
A
 

Electronic box protection

IP55
 

Flue tube

200
Ømm
 

Air outlet diameter

4 x 27
cm
 

Product size (l x w x h)

1790 x 880 x 1360
mm
 

Box size (l x w x h)

1730 x 755 x 1325
mm
 

Net/gross weight

270/300
kg
 

Our tools

Recommendation icon2

Air flow heater recommendation tool

Use our calculator to get recommendations for the size of air flow heater you need for your room.

Warranty

Master 3-year limited warranty

Register your Master product here to take advantage of the benefits of the 3-year limited warranty.

Accessories and consumables

Master Analogue thermostat TH5 with cable 4150 109
Master Top Badge

Product code: 4150.109

Accessory for direct oil, indirect oil, AIR-BUS, BLP ET, B 18, B 30, RS 40, XL 9, XL 61, XL 91, DC 61, CF 75

Master Analogue thermostat TH5 with cable 4150 112
Master Top Badge

Product code: 4150.112

Accessory for direct oil, indirect oil, AIR-BUS, BLP ET, B 18, B 30, RS 40, XL 9, XL 61, XL 91, DC 61, CF 75

Master Digital thermostat THD with cable 4150 133
Master Top Badge

Product code: 4150.133

Accessory for direct oil, indirect oil, AIR-BUS, BLP ET, B 18, B 30, RS 40, XL 9, XL 61, XL 91, DC 61, CF 75

Master Digital thermostat THD with cable 4150 134
Master Top Badge

Product code: 4150.134

Accessory for direct oil, indirect oil, AIR-BUS, BLP ET, B 18, B 30, RS 40, XL 9, XL 61, XL 91, DC 61, CF 75

Master Pneumatic wheels 4240 585
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Product code: 4240.585

Accessory for BV 471

Master Pneumatic wheels 4240 684
Master Top Badge

Product code: 4240.684

Accessory for BV 691

Master Quick connector to flex pipes for separate tank 4240 580
Master Top Badge

Product code: 4240.580

Accessory for BV 471, BV 691

Master Fuel line 4031 460
Master Top Badge

Product code: 4031.460

Accessory for BV 471, BV 691, BV 500, BV 400

Master Rotating wheels kit 4240 598
Master Top Badge

Product code: 4240.598

Accessory for BV 471

Master Rotating wheels kit 4240 667
Master Top Badge

Product code: 4240.667

Accessory for BV 691

Master Kit for chimney fixing 4240 567
Master Top Badge

Product code: 4240.567

Accessory for BV 471

Master Kit for chimney fixing 4240 682
Master Top Badge

Product code: 4240.682

Accessory for BV 691

Master Fuel scoop 4515 932
Master Top Badge

Product code: 4515.932

Accessory for B 230, B 360, BV 110, BV 170, BV 290, BV 471, BV 691, BV 500, BV 400

Master External tanks 4240 780
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Product code: 4240.780

Accessory for BV 471

Master External tanks 4240 800
Master Top Badge

Product code: 4240.800

Accessory for BV 691

Master 1 way outlet panel 4240 825
Master Top Badge

Product code: 4240.825

Accessory for BV 471

Master 1 way outlet panel 4240 633
Master Top Badge

Product code: 4240.633

Accessory for BV 691

Master 2 way outlet panel 4240 235
Master Top Badge

Product code: 4240.235

Accessory for BV 471

Master 2 way outlet panel 4240 668
Master Top Badge

Product code: 4240.668

Accessory for BV 691

Master 4 way outlet panel 4240 553
Master Top Badge

Product code: 4240.553

Accessory for BV 471

Master 4 way outlet panel 4240 669
Master Top Badge

Product code: 4240.669

Accessory for BV 691

Master Stainless steel exhaust pipe 4013 245
Master Top Badge

Product code: 4013.245

Accessory for BV 471, BV 691

Master Stainless steel chimney pot 4013 250
Master Top Badge

Product code: 4013.250

Accessory for BV 471, BV 691

Master Stainless steel exhaust elbow 4013 248
Master Top Badge

Product code: 4013.248

Accessory for BV 471, BV 691

Master Lateral bumper kit 4240 560
Master Top Badge

Product code: 4240.560

Accessory for BV 471

Master Lateral bumper kit 4240 683
Master Top Badge

Product code: 4240.683

Accessory for BV 691

Master Forklift slots 4240 576
Master Top Badge

Product code: 4240.576

Accessory for BV 471

Master Forklift slots 4240 681
Master Top Badge

Product code: 4240.681

Accessory for BV 691

Master Air recycling kit 4240 709
Master Top Badge

Product code: 4240.709

Accessory for BV 471

Master Air recycling kit 4240 748
Master Top Badge

Product code: 4240.748

Accessory for BV 691

Master PVC flex tubes 2 way outlet 4515 552
Master Top Badge

Product code: 4515.552

Accessory for BV 691, RS 40

Master PVC flex tubes 1 way outlet 4031 038
Master Top Badge

Product code: 4031.038

Accessory BV 471

Master PVC flex tubes 1 way outlet 4515 556
Master Top Badge

Product code: 4515.556

Accessory BV 691

Master NYLON flex tubes with bag 4515 366
Master Top Badge

Product code: 4515.366

Accessory for BV 691, RS 40

Master NYLON flex tubes with bag 4515 362
Master Top Badge

Product code: 4515.362

Accessory for BV 471

Master NYLON flex tubes with bag 4515 365
Master Top Badge

Product code: 4515.365

Accessory for BV 691

Master Suction tube 4517 621
Master Top Badge

Product code: 4517.621

Accessory for BV 471

Master Suction tube 4517 622
Master Top Badge

Product code: 4517.622

Accessory for BV 691

Master Consumables pack BV 471 4519 019
Master Top Badge

Product code: 4519.019

Consumable

Master Consumables pack BV 691 4519 020
Master Top Badge

Product code: 4519.020

Consumable

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