Key features
- Strong and robust steel frame with metric bolts
- Powerful fan
- Air pressure 250 Pa
- 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
- These heaters can burn: biofuel HVO 100, diesel or kerosene
- Compatible with remote monitoring system InfoAir
What is the difference between the AIR-BUS model designations “SE”, “SRE”, “TE” and “TRE”?
- Master AIR-BUS BV 471 SE (SE = Single phase – Electronic (with InfoAir))
- Master AIR-BUS BV 691 SE (SE = Single phase – Electronic (with InfoAir))
- Master AIR-BUS BV 471 SRE (SRE = Single phase- Radial fan – Electronic (with InfoAir))
- Master AIR-BUS BV 691 TE (TE = Three phase – Electronic (with InfoAir))
- Master AIR-BUS BV 691 TRE (TRE = Three phase – Radial fan- Electronic (with InfoAir))
Product specifications
Select model:
- BV 691 SE – 1 way
- BV 691 SE – 4 way
Suitable for:
- Agriculture
- Automotive
- Commercial buildings
- onstruction
- Emergency services
- Events and festivals
- Industrial, factories and production
- Military and aerospace
- Rental companies
- Transport and logistics








































