Flagro USA Indirect Heater — 390,000 BTU, Propane/Natural Gas, Model# FVNP-400
High-Performance Heat. Clean Air. Built for the Jobsite.
The Flagro USA Indirect Heater (Model# FVNP-400) delivers a powerful 390,000 BTU/hour of clean, dependable heat for large commercial, industrial, and construction environments. With its indirect-fired heat exchanger, this unit vents combustion exhaust externally, ensuring clean, dry, and fume-free air for safe indoor heating.
Designed with a slim, portable frame, the FVNP-400 is easy to maneuver through tight spaces and around busy worksites. Its flat-free tires and standard steel lifting harness make transportation, positioning, and setup simple and secure. Built to withstand heavy-duty use, this heater provides reliable performance in demanding conditions while maintaining efficient fuel consumption.
For maximum safety, adequate ventilation is always required when operating this unit.
Features & Benefits
-
High Heat Output: Generates up to 390,000 BTU/hour of powerful, consistent heat.
-
Indirect-Fired Design: Provides clean, fume-free heat by venting combustion gases externally.
-
Slim, Portable Frame: Designed for easy mobility and maneuverability on job sites.
-
Heavy-Duty Construction: Includes a standard steel lifting harness for safe handling and transport.
-
Flat-Free Tires: Maintenance-free mobility on any terrain.
-
Forced-Air Heating: 2,500 CFM blower ensures efficient, even heat distribution.
-
Indoor/Outdoor Use: Ideal for construction sites, warehouses, and temporary enclosures.
-
Safety Reminder: Always provide adequate ventilation during operation.
Specifications
| Attribute |
Specification |
| Item # |
24678 |
| Brand |
Flagro Inc |
| Model |
FVNP-400 |
| Manufacturer’s Warranty |
12 months limited parts / no labor |
| Ship Weight |
365 lb |
| Max. Heat Output |
390,000 BTU/hour |
| Heat Type |
Forced Air |
| Heating Capacity |
8,000 ft² |
| Indoor/Outdoor Use |
Indoor and Outdoor |
| Thermostat Included |
No |
| Needs Direct Venting |
Yes |
| Blower Included |
Yes |
| Blower CFM |
2,500 CFM |
| Remote Included |
No |
| Oxygen Depletion Sensor |
No |
| Fuel Type |
Propane or Natural Gas |
| Fuel Consumption |
4.25 GPH |
| Dimensions (L x W x H) |
70 x 24 x 47 in. |
What’s Included
- (1) Flagro USA Indirect Heater
- Product Manual
Manufacturer’s Warranty
- 12 Months Limited Parts / No Labor
Ideal For
- Construction and renovation projects
- Warehouses and workshops
- Event tents and temporary structures
- Agricultural and industrial heating applications
- Any enclosed space requiring clean, safe, and reliable heat
Compare Similar Models
| Model |
Fuel Type |
Max. Heat Output |
Heat Type |
Blower CFM |
Heating Capacity |
| Flagro FVNP-400 |
Propane/Natural Gas |
390,000 BTU/hr |
Forced Air |
2,500 CFM |
8,000 ft² |
| Flagro F-1500T |
Natural Gas/Propane |
1,500,000 BTU/hr |
Forced Air |
7,000 CFM |
18,000 ft² |
| Flagro F-400T |
Natural Gas/Propane |
400,000 BTU/hr |
Forced Air |
2,000 CFM |
5,000 ft² |
The Flagro FVNP-400 — engineered for efficiency, mobility, and safety.
Delivering high-output, clean air heat where it’s needed most, this indirect heater is the professional’s choice for reliable on-site performance.