The Bullfinch 2105 Autotorch Burner is a powerful general purpose heating and soldering burner for professionals who need a strong well defined flame. As part of the Autotorch System 2 range it fits securely onto the Bullfinch B2100 Gas Blow Torch Handle (right-hand thread) for reliable performance and safe operation.
With a large flame profile and 5.24kW heat output this burner is perfect for jobs that require a lot of heat such as soldering larger pipework, heating components and general site work. Built with Bullfinch’s trusted engineering quality the 2105 provides consistent heating for demanding trade environments.
KEY FEATURES
General Purpose Burner – Large well defined flame for heating and soldering tasks.
High Heat Output – 5.24kW (17890 BTU/hr) for fast and efficient heating.
Autotorch System 2 Compatible – Fits the Bullfinch B2100 Handle (right-hand thread).
Wide Flame Spread – 30mm flame width for strong even heating across larger surfaces.
Durable Construction – Built for daily professional use in harsh site environments.
Efficient Gas Use – 377g/hr at 1 bar for high performance and reliability.
Safe System Design – Right-hand thread prevents incorrect fitting to brazing handles.
IDEAL FOR
Soldering Large Copper Pipework – Great for heating larger joints quickly.
General Heating Applications – Workshops, repairs and component heating.
Plumbing & Heating Engineers – A staple burner for on-site professional use.
Maintenance Teams – Ideal for freeing seized parts or applying heat to components.
Autotorch Professionals – A high power upgrade for System 2 users.
WHY BUY THIS PRODUCT?
If you need more heat and a broader flame than the 2103 or 2104 burners the Bullfinch 2105 is the perfect upgrade. Its strong wide flame is perfect for heating tasks that require more power while maintaining the reliability and build quality that Bullfinch are known for. For plumbers, engineers and maintenance professionals this burner delivers exceptional performance day after day.
Get serious heat for serious jobs—upgrade to the Bullfinch 2105 Autotorch Burner today! Fast shipping available.
Specification
Bullfinch 2105 Autotorch System 2 Burner Specification
Brand
Bullfinch
Burner Number
2105
Jet Size
30
Heat Input @ 1 Bar
5.24 kW (1789 BTU/hr)
Gas Consumption @ 1 Bar
377 g/hr
Burner Dimensions
110mm x 30mm
Flame Dimensions
Length 115mm x Width 30mm
Flame Temperature
130°C
Compatible Handle
Bullfinch Autotorch Handle B2100
System Compatibility
Autotorch System 2
Features
Bullfinch 2105 Autotorch System 2 Burner Features
General-Purpose Burner – Produces a large, well-defined flame for heating and soldering tasks.
High Heat Output – Delivers 5.24kW (17890 BTU/hr) for fast and efficient heating.
Autotorch System 2 Compatible – Designed to fit the Bullfinch B2100 Handle (right-hand thread).
Wide Flame Spread – 30mm flame width for strong, even heating across larger surfaces.
Durable Construction – Built for daily professional use in harsh site environments.
Efficient Gas Use – Consumes 377g/hr at 1 bar for high performance and reliability.
Safe System Design – Right-hand thread prevents incorrect fitting to brazing handles.
