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Hot Air Generator 21kW BV 77 - Diesel/Fuel Oil/HVO - Sovelor

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21kW BV 77 Oil Diesel Hot Air Generator Sovelor - Mobile Industrial Heater
21kW BV 77 Oil Diesel Hot Air Generator Sovelor - Mobile Industrial Heater
21kW BV 77 Oil Diesel Hot Air Generator Sovelor - Mobile Industrial Heater
21kW BV 77 Oil Diesel Hot Air Generator Sovelor - Mobile Industrial Heater
21kW BV 77 Oil Diesel Hot Air Generator Sovelor - Mobile Industrial Heater
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Mobile hot air generator 21 kW BV 77 by Sovelor. Oil/diesel/FAME heating with integrated heat exchanger for exhaust gas evacuation. Clean hot air, ideal for workshops, greenhouses and enclosed spaces. Compatible with thermostat and programmable timer.

Order before to receive from Wednesday 1 April

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from Wednesday 1 April

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Easy returns

Return possible until 1 May 2026

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Mobile Hot Air Generator 21 kW BV 77 (formerly HPV 20) - SOVELOR-DANTHERM

The MASTER BV 77 is a mobile oil-fired forced air heater delivering 21 kW. This versatile unit operates with multiple fuel types: heating oil, diesel, GNR, or kerosene.

Robust and Safe Design

Its stainless steel combustion chamber and integrated heat exchanger allow connection to a chimney flue for exhaust gas evacuation. This configuration ensures clean hot air distribution without fumes or odors.

Recommended Applications

  • Enclosed spaces requiring clean heating
  • Greenhouses and workshops
  • Agricultural livestock buildings


  • Outdoor installation becomes possible with the addition of optional air ducts. This solution is ideal for heating marquees, tents, or drying rooms by directing hot air indoors from outside.

    Performance and Smart Regulation

    The high airflow combined with 21 kW of power ensures rapid temperature rise even in large volumes. The optimized efficiency helps reduce fuel consumption.

    The unit is compatible with:
  • A thermostat for automatic regulation
  • A programmable timer
  • A countdown timer


  • The 230 V power supply and integrated tank simplify installation and daily operation.

    Standard Equipment

  • Fuel gauge for level monitoring
  • Easily accessible filter
  • Power cable support
  • Dedicated socket for automatic regulation


  • Optional accessories complete the range: rigid or flexible ducts, quick-mount air diffusers.

    Main Features

  • Former commercial reference: HPV 20
  • Heat output: 21 kW
  • Clean hot air without exhaust gases
  • Multi-fuel: heating oil, diesel, GNR, kerosene
  • Stainless steel chamber with heat exchanger and gas evacuation
  • Flue connection possible
  • Compatibility with thermostat, timer, countdown timer
  • Integrated tank and 230 V power supply
  • BrandSovelor-Dantherm
    SKU8316269249
    EAN/GTIN3700571511277
    MPNBV77
    CategoryWaste oil fired hot air gun
    Condition New
    Sovelor-Dantherm BV 77 (HPV 20) Fuel Heater

    Heating Performance
    This fuel-fired hot air generator delivers a power output of 21 kW (71,700 Btu/h - 18,100 kcal/h) with an airflow rate of 1,550 m³/h. Operating autonomy reaches 19 hours thanks to moderate fuel consumption of 2.0 litres per hour.

    Compatible Fuels
    Versatile unit accepting multiple fuels: kerosene, GNR (non-road diesel), diesel, heating oil and biofuel.

    Control and Regulation
    Equipped with an analogue or digital thermostat according to your preference for precise temperature control.

    Electrical Characteristics
    Power supply: 220 V - 50 Hz
    Electrical power: 0.3 kW
    Nominal current: 1.5 A
    Protection rating: IP 40

    Capacity and Connections
    Tank capacity: 36 litres
    Exhaust gas pipe: Ø 120 mm
    Flexible duct: Ø 31 cm

    Dimensions and Weight
    Product (L x W x H): 1130 x 380 x 660 mm
    Packaging (L x W x H): 1200 x 400 x 530 mm
    Net weight: 33 kg / Gross weight: 37 kg

    Product Identification
    Brand: Sovelor-Dantherm
    Model: BV 77 (HPV 20)
    Supplier reference: BV77
    Origin: France
    EAN code: 3700571511277

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