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Master BV 471 – indirect oil fired air heaters
Master BV 471 – indirect oil fired air heaters

AIR-BUS BV 471-691 – indirect oil fired air heaters

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.

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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
 

Air outlet diameter

1 x 60
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 calculator - Master

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

Warranty

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Accessories and consumables

Master Analogue thermostat TH5 with cable 4150 109
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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, EKO 18

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, EKO 18

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, EKO 18

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, EKO 18

Master Pneumatic wheels 4240 585
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Product code: 4240.585

Accessory for BV 471

Master Pneumatic wheels 4240 684
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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
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Product code: 4515.932

Accessory for B 230, B 360, BV 110, BV 170, BV 290, BV 471, BV 691, 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 553
Master Top Badge

Product code: 4515.553

Accessory for BV 77, BV 110, BV 170, BV 290, BV 400, B 30 EPR, BV 471

Master PVC flex tubes 2 way outlet 4515 571
Master Top Badge

Product code: 4515.570

Accessory for BV 290, BV 400, BV 691

Master PVC flex tubes 1 way outlet 4515 558
Master Top Badge

Product code: 4515.558

Accessory for BV 110, BV 170, BV 691

Master PVC flex tubes 1 way outlet 4515 571
Master Top Badge

Product code: 4515.571

Accessory for BV 290, B 30 EPR, BV 400, BV 471

Master PVC flex tubes 1 way outlet 4031 401
Master Top Badge

Product code: 4031.401

Accessory for BV 290, BV 471

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 360
Master Top Badge

Product code: 4515.360

Accessory for B 18 EPR, EKO 18, HT 18, BV 400, BV 471

Master NYLON flex tubes with bag 4515 367
Master Top Badge

Product code: 4515.367

Accessory for BV 110, BV 170, BV 691

Master NYLON flex tubes with bag 4515 361
Master Top Badge

Product code: 4515.361

Accessory for B 30, BV 290, BV 400, BV 471

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

Master PVC flex tubes 1 way outlet 4515 572
Master Top Badge

Product code: 4515.572

Accessory for BV 77-110-170-290, BV 400, BV 471, B 18 EPR

Master dust cover 4241 160
Master Top Badge

Product code: 4241.161

Accessory for BV 691S

Master dust cover 4241 160
Master Top Badge

Product code: 4241.160

Accessory for BV 471S

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