Deliver uninterrupted, high-capacity heat for large industrial and commercial spaces with the Flagro FVO-400RCBT 390,000 BTU Indirect Fired Oil Heater. Equipped with a massive 118 US gallon fuel tank and advanced Tiger-Loop system to prevent air locks, this heater ensures continuous, reliable operation. Featuring proven Riello burner technology and a welded 304 stainless steel heat exchanger, it combines durability, quiet performance, and efficiency for demanding heating applications.

The Flagro FVO-400RCBT provides 390,000 BTU of indirect-fired oil heat, making it ideal for expansive construction sites, warehouses, and industrial environments that require uninterrupted warmth. Its 118 US gallon built-in fuel tank, combined with the Tiger-Loop system, eliminates air locks for seamless fuel flow. Proven Riello burner technology with a nozzle pre-heater and updated low-temperature fuel pump guarantees reliable cold-weather startups.

The welded 304 stainless steel heat exchanger ensures long-lasting durability, while the backward incline blower provides ultra-quiet operation and low energy consumption. The smart power indicator and built-in volt meter offer safe and dependable performance.

Ideal For:

• Large Construction Sites – Efficiently heats extensive job sites, keeping workers warm and productive.
• Warehouses & Industrial Spaces – Maintains consistent temperature in large facilities, enhancing comfort and operational efficiency.
• Event & Temporary Spaces – Provides reliable, continuous heat for outdoor or temporary event venues.
• Maintenance & Repair Areas – Ensures equipment and tools operate effectively in cold conditions.

Why Customer Love The Flagro FVO-400RCBT Indirect Fired Oil Heater

• 390,000 BTU Output – Powerful heating for large areas, quickly maintaining a comfortable temperature.
• Proven Riello Burner Technology – Nozzle pre-heater and low-temperature fuel pump ensure reliable cold-weather operation.
• Welded 304 Stainless Steel Heat Exchanger – Long-lasting durability and corrosion resistance for industrial use.
• Powerful Backward Incline Blower – Ultra-quiet operation with low amperage, ideal for noise-sensitive environments.
• Ductable up to 150 ft – Flexible heat distribution to reach distant or hard-to-access areas.
• Smart Power Indicator & Volt Meter – Ensures proper power supply for safe, uninterrupted operation.
• Tiger-Loop System & 118 US GAL Fuel Tank – Eliminates fuel system air locks and supports extended, continuous operation.