Flagro F-150 Direct Fired Construction Heater
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The Flagro F-150 150,000 BTU Direct-Fired Propane Construction Heater delivers adjustable heating from 50,000 to 150,000 BTU/hr for construction sites, maintenance projects, and properly ventilated commercial work areas. Its compact, stackable design makes it easy to transport and store.
Key Specifications:
- Heating: 50,000–150,000 BTU/hr
- Fuel: Vapor Propane
- Fuel Consumption: 2.3–6.9 lbs/hr
- Electrical Power: Not Required
- Ignition: Manual
- Propane Hose: 20′ Included
- Regulator: Adjustable, Included
- Air Outlet: 8″
- Weight: 32 lbs
Features: Adjustable heat output, no powered blower, lightweight construction, and stackable frame.
Nationwide shipping available. Contact Climate Control Solutions for pricing and availability.
The Flagro F-150 150,000 BTU Direct-Fired Propane Construction Heater provides adjustable temporary heating for construction sites, building renovations, industrial maintenance, and properly ventilated work areas. Designed for portable operation, the F-150 delivers 50,000 to 150,000 BTU/hr of heat without requiring electricity or a powered blower.
Operating on vapor propane, the F-150 features manual ignition, adjustable heating output, and a rugged, stackable steel frame. Its compact construction and lightweight 32-pound design make it convenient to transport, position, and store between jobs.
The heater includes a 20-foot propane hose and adjustable regulator, allowing connection to a properly sized propane fuel supply.
With no electrical connection required, the Flagro F-150 is especially useful for suitable construction projects and remote worksites where access to electrical power is limited.
Key Features of the Flagro F-150
- Adjustable 50,000–150,000 BTU/hr Heating Capacity: Provides flexible heating output for changing jobsite conditions.
- Vapor Propane Operation: Uses a compatible external propane supply.
- No Electricity Required: Operates without an electrical connection, powered fan, or generator.
- Direct-Fired Heating: Delivers heat directly into the surrounding airflow.
- Manual Ignition: Straightforward ignition system designed for construction applications.
- 20-Foot Propane Hose Included: Provides flexibility when connecting the heater to an approved propane supply.
- Adjustable Regulator Included: Manufacturer-listed regulator adjustable up to 20 PSI.
- Lightweight Construction: Weighs approximately 32 pounds.
- Stackable Design: Allows multiple heaters to be stored and transported efficiently.
- 8-Inch Air Outlet: Manufacturer-specified heated-air discharge opening.
- Low-Maintenance Design: Operates without a conventional blower motor or air filter.
- Heavy-Duty Construction: Designed for temporary commercial and construction heating.
- UL of Canada Listed: Manufacturer-listed equipment certification.
Adjustable Heating from 50,000 to 150,000 BTU/hr
The Flagro F-150 features adjustable heating output, allowing the operator to select a suitable heat level within the manufacturer’s specified range.
| Heating Setting | Heating Capacity |
|---|---|
| Minimum | 50,000 BTU/hr |
| Maximum | 150,000 BTU/hr |
This flexibility makes the F-150 useful for construction projects where heating requirements change with outdoor temperatures, workspace conditions, or jobsite activities.
Its adjustable output also allows propane consumption to vary according to the selected heating level.
Propane Heater That Requires No Electricity
A major advantage of the Flagro F-150 is its ability to operate without electrical power.
Many commercial portable heaters require electricity for blowers, ignition controls, or other equipment.
The F-150 operates on vapor propane with a manual ignition system and does not use a powered fan.
Benefits of No-Electricity Operation
- Suitable for construction sites without convenient electrical service
- No generator needed to power the heater
- No blower motor or electrical controls to maintain
- Convenient for temporary and remote work areas
- Lightweight and portable construction
The heater still requires a properly sized propane supply, correct regulator installation, adequate ventilation, and compliance with all manufacturer safety requirements.
Common Applications for the Flagro F-150
Construction Site Heating
The F-150 is designed for temporary heating during construction and maintenance projects.
Its adjustable heating capacity and compact frame make it useful for appropriate, properly ventilated construction environments.
Typical applications include:
- Commercial construction sites
- Winter construction projects
- Building renovations
- Temporary construction work areas
- Maintenance and repair operations
- Jobsite heating where electrical service is unavailable
Remote Jobsites
Remote construction and maintenance locations may not have readily available electrical power.
Because the F-150 operates without electricity, it can provide temporary propane heat where a compatible fuel supply and approved ventilation conditions are available.
Industrial Maintenance
Commercial maintenance and industrial repair projects sometimes require supplemental heat during cold weather.
The F-150 can provide temporary heating in suitable work areas where direct-fired propane construction heaters are permitted.
Temporary Construction Enclosures
The F-150 can support certain temporary construction applications when appropriate ventilation, combustible clearances, and fuel-supply requirements are met.
Important: The heater is not intended for unrestricted use in enclosed buildings, occupied event tents, residences, or inadequately ventilated spaces.
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Flagro F-150 Technical Specifications
| Specification | Flagro F-150 |
|---|---|
| Model | F-150 |
| Equipment Type | Direct-Fired Propane Construction Heater |
| Heating Capacity — Minimum | 50,000 BTU/hr |
| Heating Capacity — Maximum | 150,000 BTU/hr |
| Fuel | Vapor Propane |
| Fuel Consumption | 2.3–6.9 lbs/hr |
| Manifold Pressure | 2¼–20 PSI |
| Electrical Supply | Not Required |
| Powered Fan | Not Required |
| Ignition | Manual |
| Propane Hose | 20 Feet, Included |
| Regulator | Included, Adjustable to 20 PSI Maximum |
| Air Outlet Diameter | 8 Inches |
| Heat Exchanger | Not Applicable — Direct-Fired |
| Construction | Portable, Stackable Frame |
| Length | 30″ |
| Width | 11.25″ |
| Height | 14″ |
| Weight | 32 lbs |
| Certification | UL of Canada Listed |
Specifications are based on Flagro’s published F-150 product information. Consult the current operating manual for propane supply, ignition, ventilation, combustible clearances, and other installation requirements.
Propane Fuel Consumption
The Flagro F-150 operates exclusively on vapor propane.
Fuel consumption varies with the heater’s selected output.
| Specification | Published Value |
|---|---|
| Minimum Fuel Consumption | 2.3 lbs/hr |
| Maximum Fuel Consumption | 6.9 lbs/hr |
| Minimum Heating Capacity | 50,000 BTU/hr |
| Maximum Heating Capacity | 150,000 BTU/hr |
Propane supply equipment must provide sufficient vaporization capacity and pressure for the selected heating output.
Cold weather, cylinder size, and remaining fuel can affect propane vaporization performance.
Included Propane Hose and Regulator
The Flagro F-150 includes a 20-foot propane hose and adjustable regulator.
The regulator is designed for a maximum setting of 20 PSI, according to the manufacturer’s specifications.
Included Fuel Components
- 20-foot propane hose
- Adjustable propane regulator
- Compatible POL connection
A properly sized external propane cylinder or manifold arrangement is required.
Fuel lines and fittings must be installed and checked for leaks according to Flagro’s operating instructions.
Optional Propane Cylinder Manifolds
Flagro offers optional cylinder manifold accessories for compatible propane construction heating systems.
2001-S2 — Two-Cylinder Manifold
The 2001-S2 manifold supports approved installations using two propane cylinders.
2001-S3 — Three-Cylinder Manifold
The 2001-S3 manifold supports approved installations using three propane cylinders.
Cylinder manifolds may be useful when the installation requires additional propane vaporization capacity or a larger available fuel supply.
The correct manifold, cylinder configuration, and regulator arrangement must be selected according to the manufacturer’s requirements.
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Lightweight and Stackable Construction
The Flagro F-150 weighs approximately 32 pounds and measures:
- Length: 30 inches
- Width: 11.25 inches
- Height: 14 inches
Its compact frame is designed to be stacked for transportation and storage.
This makes the F-150 particularly convenient for contractors who regularly transport several temporary heaters between jobsites.
Heaters must be properly secured during transportation and should only be operated in their approved position.
Safety and Ventilation Requirements
The Flagro F-150 is a direct-fired propane construction heater.
Unlike an indirect-fired heater, the F-150 releases combustion products directly into the heated air.
Adequate fresh-air ventilation is essential.
Important operating requirements include:
- Use only in manufacturer-approved construction and maintenance applications.
- Provide sufficient combustion and ventilation air.
- Do not operate in sealed or inadequately ventilated spaces.
- Maintain manufacturer-required clearances from combustible materials.
- Use only approved propane cylinders, hoses, regulators, and fittings.
- Position the heater on a stable surface.
- Keep the heated-air discharge unobstructed.
- Inspect gas connections for leaks before operation.
- Do not expose the heater to conditions prohibited by the operating manual.
- Follow all applicable fire, building, and fuel-gas regulations.
Direct-fired propane heaters are not appropriate for every indoor or occupied environment.
Why Choose the Flagro F-150?
The Flagro F-150 combines adjustable heating capacity, propane operation, and lightweight construction in a compact commercial heater.
Its ability to operate without electricity makes it particularly useful for temporary construction and remote worksite applications.
The included propane hose and regulator, stackable construction, and adjustable 50,000–150,000 BTU/hr output provide flexibility for contractors needing portable temporary heat.
Compare Other Flagro Direct-Fired Heaters
Climate Control Solutions supplies additional Flagro direct-fired construction heaters:
- Flagro F-150: Adjustable 50,000–150,000 BTU propane construction heater requiring no electricity.
- Flagro F-375: Adjustable 220,000–375,000 BTU propane construction heater for higher-capacity applications.
- Flagro THC-175DF: 175,000 BTU dual-fuel direct-fired heater with powered airflow and thermostatic control.
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Frequently Asked Questions About the Flagro F-150
How much heat does the Flagro F-150 produce?
The heater provides adjustable heating output from 50,000 to 150,000 BTU/hr.
What fuel does the F-150 use?
The Flagro F-150 operates on vapor propane only.
Does the Flagro F-150 require electricity?
No. The F-150 operates without a powered fan or electrical connection.
Does the F-150 include a propane hose?
Yes. A 20-foot propane hose is included.
Is a regulator included?
Yes. Flagro includes an adjustable propane regulator rated up to a maximum of 20 PSI.
How much propane does the F-150 consume?
Flagro lists approximately 2.3–6.9 pounds of propane per hour, depending on the selected heating output.
Does the heater include a thermostat?
The F-150 uses manual ignition and adjustable heat output. An integrated thermostat is not listed for this model.
Does the F-150 have a blower?
No. The heater is designed to operate without a powered fan.
Is the Flagro F-150 stackable?
Yes. Its compact construction is designed for stackable transportation and storage.
How much does the F-150 weigh?
The current manufacturer catalogue lists a weight of 32 pounds.
Can the F-150 be used inside a construction enclosure?
Only when the application is approved and adequate combustion air, ventilation, and combustible clearances are provided. The F-150 is a direct-fired heater and must not be used in sealed or inadequately ventilated spaces.
What is the difference between the F-150 and F-375?
The F-150 provides 50,000–150,000 BTU/hr, while the F-375 provides 220,000–375,000 BTU/hr. Both are propane construction heaters that operate without electricity.
Request a Quote for the Flagro F-150
Climate Control Solutions supplies Flagro direct-fired propane heaters, commercial construction heaters, and temporary heating equipment nationwide.
For single-unit purchases or larger commercial heating projects, Climate Control Solutions can assist with equipment selection, propane accessories, and freight arrangements.
Contact Climate Control Solutions for current pricing and availability.
Phone: (800) 633-8711
Email: [email protected]
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