Product Description
Flagro F-150 Propane Construction Heater - 150,000 BTU
Compact & Powerful Heating for Jobsites, Garages, and Outdoor Use
The Flagro F-150 is a direct-fired propane heater engineered for powerful heat output, simple manual operation, and portability. Producing up to 150,000 BTU/hr, it delivers efficient temporary heat in demanding environments, such as construction sites, concrete curing jobs, agricultural buildings, garages, and industrial maintenance settings. This heater is designed to run without electricity or fans, making it ideal for remote or off-grid job sites.
Built for durability and safety, the F-150 features a rugged steel housing, UL of Canada certification, and adjustable heat output between 50,000 and 150,000 BTU/hr. It includes a 20-ft propane hose and a 20-PSI adjustable regulator for fast setup and flexible usage. Whether you're fighting frost, accelerating drying time, or maintaining worksite comfort, the Flagro F-150 is a compact solution with a big heating punch.
Flagro F-150 Key Features & Benefits
Up to 150,000 BTU/hr Heating Power
Adjustable output from 50,000 to 150,000 BTU/hr
Designed for high-performance commercial and industrial use
No Electricity or Fan Required
Operates independently with manual ignition
Ideal for off-grid and unpowered job sites
Fuel-Efficient Propane Operation
Consumes 2.3 to 6.9 lbs of propane per hour, depending on the setting
Compatible with standard vapor propane tanks
Portable and Lightweight
Weighs just 27 lbs for easy carry and repositioning
Stackable design simplifies storage and transport
Fast, Safe Ignition System
Manual ignition with safety valve and thermocouple protection
Built-in reset button for quick restart if flame is lost
Rugged Construction
Durable steel frame with protective housing
Built for harsh jobsite environments
Certified & Compliant
ULC listed for Canada
Conforms to CSA B149.1 installation code and provincial standards
Specifications
NAME
DESCRIPTION
Heating Capacity
50,000 - 150,000 BTU/hr
Fuel Type
Vapor Propane
Fuel Consumption
2.3 to 6.9 lbs/hr
Manifold Pressure
2 1/4 to 20 PSI
Hose/Regulator
20-ft hose with adjustable 20 PSI regulator
Air Outlet
8" diameter
Ignition
Manual
Power Requirement
None (no electricity needed)
Dimensions
30" x 11.25" x 14"
Weight
27 lbs
Approvals
UL of Canada Listed
Applications
The F-150 is the go-to solution for many commercial, construction, and industrial heating applications:
Temporary heat during cold-weather construction
Concrete curing and drywall drying
Agricultural greenhouse and barn warming
Equipment thawing
Garage and warehouse heating
Frost protection for job sites and outdoor workspaces
Easy Operation & Maintenance
Manual ignition system eliminates need for electrical hookups
Simple startup with gas valve and pilot reset
Easy access to components for periodic cleaning
Orifices can be cleaned with #54 and #72 DMS drills
Includes built-in safety valve and thermocouple shut-off
Clearance Requirements
Top: 5 ft
Front: 8 ft
Sides: 2 ft
Do not operate in sealed indoor spaces without proper ventilation. This is a direct-fired heater and must be used in well-ventilated or outdoor environments only.
Optional Accessories
Two-Cylinder Manifold (Part #2001-S2)
Three-Cylinder Manifold (Part #2001-S3)
Hose Safety Clip
Replacement Burner Head, Orifices, Valves, and Fittings
Order the Flagro F-150 Propane Construction Heater Today
Whether you're working in the field, prepping a site for construction, or thawing frozen equipment, the Flagro F-150 provides fast, reliable heat without complicated setup or electrical demands.
Explore our full line of Flagro heaters for additional heating options tailored to your jobsite or event needs.
Cleanflow ships Canada-wide with expert technical support and access to Flagro-approved accessories. Contact us to inquire or place your order today.
FAQs
Can I use this heater indoors?
This unit must be operated in ventilated or outdoor areas only. It is not safe for enclosed indoor use without proper ventilation.
Does the F-150 require electricity to run?
No, it operates entirely without electricity. It uses manual ignition and has no fan or electrical components.
How do I light the heater?
Open the propane valve slowly, depress the reset button, and use a lighter or match to ignite the pilot. Hold the reset button for at least 45 seconds.
How long will a 100 lb propane tank last?
At full output (6.9 lbs/hr), a 100 lb tank provides approximately 14 hours of continuous heat. Lower settings will extend runtime.
What maintenance is required?
Clean burner orifices periodically, inspect the hose and regulator for wear, and test for gas leaks using soapy water.
How do I know if the Flagro F-150 provides enough heat for my space?
Great question. The right heater size depends on factors like the size of your space, insulation, outside temperature, and desired indoor temperature. To find out exactly how much heating power you need, try our BTU Calculator. It will help you determine if the 150,000 BTU/hr output of the Flagro F-150 meets your requirements or if a different model might be more suitable.