Ensure that construction heaters are applied effectively and safely by following this helpful guide.
Monika Kokoreva
- 8 min read
Master B 230 – direct oil fired heaters
Direct oil fired air heaters – high pressure
Direct oil heaters are highly efficient devices that provide large volumes of instant heat where it is required. They are best for open or well ventilated areas like factories, warehouses or construction sites. Master direct heaters are known as very efficient and robust as well as safe and easy in use.
View all of our direct oil fired air heaters or browse our full range of heaters that are suitable for multiple applications and environments.
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Key features
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High pressure heaters
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Overheat thermostat
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Post ventilation
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Thermally protected motor
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Transparent external suction filter
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Three oil filters – oil pump filter, suction filter and inlet filter
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Electronic flame control with photocell
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Stainless steel combustion chamber
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Oil tank with level indicator
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Trolley included
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Snorkel
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Easy maintenance with external pump
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Diagnostic LED
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These heaters can burn: biofuel HVO 100, diesel or kerosene
Product specifications
Heating power
65
kW
Heating power
222,000
Btu/h
Heating power
56,000
kcal/h
Air flow
3,000
m³/h
Fuel autonomy
10
h
Thermostat control
Analogue or digital
Fuel consumption
6.2
l/h
Power supply
220-240/1ph/50
V/Hz
Electric power
0.8
kW
Rated current
3.5
A
Protection
IP44
Tank capacity
65
l
Product size (l x w x h)
1235 x 575 x 790
mm
Box size (l x w x h)
1200 x 650 x 1000
mm
Net/gross weight
57/72
kg
Pallet
1
Our tools
Air flow heater recommendation tool
Use our calculator to get recommendations for the size of air flow heater you need for your room.
Master 3-year limited warranty
Register your Master product here to take advantage of the benefits of the 3-year limited warranty.
Master Climate Solutions app
Use the Master Climate solutions app to calculate power and get recommended heating, cooling, drying or ventilation products for your work area.
Accessories and consumables
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
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
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
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
Product code: 4033.049
Accessory for B 230, B 360, BV 110, BV 170, BV 290, BV 400, XL 9, XL 91
Product code: 4034.880
Accessory for B 230, B 360, BV 110, BV 170, BV 290
Product code: 4034.922
Accessory for BV 110, BV 170, B 230
Useful downloads
Related products
Direct oil fired heaters – low pressure
Master direct heaters are known for their efficiency, robustness, ease of use and operational safety.
Indirect oil fired air heaters – high pressure
Master indirect oil heaters are highly efficient and generate 100% clean, dry and fume-free warm air.
Master electric fan air heaters – ductable
Ideal for temporary or emergency heating as they are easy to use and fully portable.
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