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MASTER B 300 Oil-Fueled Hot Air Generator - 44 to 88 kW Mobile

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MASTER B 300 Mobile Oil-Fired Hot Air Generator 44-88 kW Construction Site Heater
MASTER B 300 Mobile Oil-Fired Hot Air Generator 44-88 kW Construction Site Heater
MASTER B 300 Mobile Oil-Fired Hot Air Generator 44-88 kW Construction Site Heater
MASTER B 300 Mobile Oil-Fired Hot Air Generator 44-88 kW Construction Site Heater
MASTER B 300 Mobile Oil-Fired Hot Air Generator 44-88 kW Construction Site Heater
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Mobile oil-fired hot air generator MASTER B 300 (ex-B 310) with adjustable power from 44 to 88 kW. Optimal thermal efficiency, multi-fuel compatibility and wheeled structure for easy handling on construction sites. Dual-body design allowing independent operation of each unit.

Order before to receive from Wednesday 1 April

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Return possible until 1 May 2026

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MASTER® B 300 (B 310) Direct Oil-Fired Heater - SOVELOR-DANTHERM

The MASTER B 300, also referenced under the former designation B 310, is a portable hot air generator combining operational performance and ease of use.

Its compact size and reduced footprint make it ideal equipment for preheating, thawing, temporary heating, or material drying applications. The large-wheeled structure ensures easy handling during frequent moves across multiple job sites.

Product Highlights

  • Optimal thermal efficiency at 100%
  • Adjustable power from 44 kW to 88 kW
  • Multi-fuel compatibility: oil, diesel, or kerosene
  • Proven architecture ensuring historical reliability
  • Generous tank equipped with a level gauge
  • Manual or automatic control options depending on configuration


  • Energy Optimization

    The high thermal efficiency of the B 300 enables controlled fuel consumption. The optional integration of an ambient thermostat provides precise temperature control and prevents overconsumption.

    This unit incorporates two B150 burner/fan assemblies on a common chassis. This dual-body configuration allows independent operation of each unit, enabling precise power adjustment between 44 and 88 kW. Settings are adjusted via manual switches or through automation for equipped versions.

    Durability and Maintenance

    For four decades, this flueless direct combustion heater has demonstrated remarkable resilience, with many units still operational today. The robust and streamlined design ensures exceptional longevity, complemented by permanent availability of spare parts demonstrating the brand's enduring commitment to its customers.
    BrandSovelor-Dantherm
    SKU9213942148
    EAN/GTIN3700571511208
    MPNB300
    CategoryDirect Combustion Flueless Heating
    Condition New
    Sovelor-Dantherm B300 (B310) Heater

    Heating Performance
    This hot air generator offers adjustable power from 44 to 88 kW, with a heating capacity ranging from 150,500 to 301,000 Btu/h (37,900 to 75,800 kcal/h). The airflow reaches 900 to 1800 m³/h for even heat distribution.

    Autonomy & Consumption
    The 105-litre tank provides an autonomy of 23 hours on low setting or 12 hours on high setting. Fuel consumption ranges from 4.2 to 8.4 litres per hour depending on the operating mode.

    Fuel Compatibility
    Versatile unit accepting multiple fuels: kerosene, GNR (non-road diesel), diesel, fuel oil and biofuel.

    Control & Regulation
    Thermostat available in analogue or digital version for precise ambient temperature control.

    Electrical Characteristics
  • Power supply: 220-240 V single-phase 50-60 Hz
  • Electrical power: 0.28 to 0.56 kW
  • Nominal current: 1.2 to 2.4 A
  • Protection rating: IP 41


  • Dimensions & Transport
  • Product dimensions (L x W x H): 1240 x 670 x 640 mm
  • Packaging dimensions (L x W x H): 1600 x 750 x 900 mm
  • Net weight: 53 kg / Gross weight: 70 kg


  • Product References
  • Brand: Sovelor-Dantherm
  • Supplier reference: B300
  • EAN code: 3700571511208
  • Classification: Professional equipment
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