Ensure that construction heaters are applied effectively and safely by following this helpful guide.
Monika Kokoreva
- 8 min read
Master BV 400 – indirect oil fired air heater
Indirect oil fired air heaters with 2 stage Master burner
Master indirect oil heaters with a separate burner generate a large volume of 100% clean, dry and warm air. These heaters are equipped with a fuel tank and are very easy easy to move or transport. They have a seperate air inlet kit for combustion air supply which is very useful in polluted areas. In addition, can be used with one or two flex tubes to spread the warm air.
View all of our indirect oil fired air heaters, commercial grade tent heaters and other types of commercial heater to meet your required applications.
Interested?
Key features
-
Clean hot air
-
Very low noise (72 dB)
-
Plug fan allows high air pressure 500 Pa
-
2-stage Master burner
-
Air feed kit
-
Rotomoulded tank
-
Socket for remote thermostat
-
High-efficiency heat exchanger
-
Stainless steel combustion chamber
-
Trolley included
-
Snorkel for non-drip fuel tank
-
These heaters can burn: biofuel HVO 100, diesel or kerosene
Product specifications
Heating power
110/80
kW
Heating power
375,000/237,000
Btu/h
Heating power
94,600/68,800
kcal/h
Fan
Plug fan
type
Total air pressure
500
Pa
Ductability
50
m
Air flow
6,200
m³/h
Motor power fan
750/1,400
W/rpm
Flex tube
2 tubes Ø305mm or 1 tube Ø407mm
mm
Maximum air temperature
95
°C
Summer ventilation
Yes
Remote thermostat
Analogue or digital
Flue tube
150
mm
Electronic box protection
IP44
IP
Fuel tank capacity
150
l
Fuel consumption
10.2 high mode/7.7 low mode
l/h
Rated current
6.8
A
Power supply
220-240/1ph/50
V/Hz
Product size (l x w x h)
2086 x 717 x 1233
mm
Box size (l x w x h)
1670 x 710 x 1670
mm
Net/gross weight
200/220
kg
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
Accessories for direct and indirect oil heaters and electric heaters
Product code: 4033.049
Accessory for B 230, B 360, BV 110, BV 170, BV 290, BV 400, XL 9, XL 91
Product code: 4035.068
Accessory for BV 400
Product code: 4035.232
Accessory for BV 400
Product code: 4031.401
Accessory for BV 290, BV 471
Product code: 4515.553
Accessory for BV 77, BV 110, BV 170, BV 290, BV 400, B 30, BV 471
Product code: 4515.571
Accessory for BV 290, B 30, BV 400, BV 471
Product code: 4515.572
Accessory for BV 77-110-170-290, BV 400, BV 471, B 18
Product code: 4515.361
Accessory for B 30, BV 290, BV 400, BV 471
Product code: 4515.360
Accessory for B 18, B 30, BV 77, BV 110, BV 170, BV 290, BV 400, BV 471
Useful downloads
Related products
Tent heaters
The warm air heater VA-M40 MKII is a mobile 38kW unit primarily developed to provide heating in temporary or transportable buildings or tents.
Mobile fuel tanks with integrated spill containment tank
VETs are double-walled tanks designed and approved for transporting fuel oil and diesel.
Indirect oil fired air heaters – high pressure
Master indirect oil heaters are highly efficient and generate 100% clean, dry and fume-free warm air.
Portable oil fired heater
Create the optimum temperature with the mobile 156kW heater for construction heating, space heating and events in tents.
Direct oil fired heaters – low pressure
Master direct heaters are known for their efficiency, robustness, ease of use and operational safety.
Featured insights
Discover how to choose the most appropriate heating solution for your construction project.
Grzegorz Kruk
- 12 min read
High volumes of heat right where you need it and at low cost
Katarzyna Cellary-Zinko
- 4 min read
Enquire about this product
Complete your details below and the right person from our expert team will get back to you.
For service and spare parts enquiries please include serial number and product type in the Message field.