Bullfinch 2105 Autotorch System 2 Burner – 5.24kW General Purpose | Large Well-Defined Flame
General purpose heating and soldering burner with a large, well-defined flame. Fits the Bullfinch B2100 Autotorch System 2 handle. 5.24kW at 1 bar, 115mm × 30mm flame, 377g/h gas consumption. Right-hand thread prevents incorrect fitting to brazing handles. Up to 800°C (general conditions). Handle sold separately.
Key Features & Benefits
Large Well-Defined Flame — 115mm × 30mm — strong, even heat across larger surfaces for general purpose heating and soldering.
5.24kW Output at 1 Bar — Significantly more output than the 2103 and 2104 — the go-to burner for larger soldering joints and heavy heating tasks.
377g/h Gas Consumption — High performance output with reasonable fuel efficiency.
Fits Bullfinch B2100 Handle Only — System 2 connection — not compatible with Autotorch brazing system handles.
Up to 800°C (General Conditions) — Suitable for soft soldering, silver soldering and lead welding. Not for bronze brazing.
Ideal For
Soldering large copper pipework
General site heating & component heating
Plumbing & heating engineers on site
Freeing seized parts & heat-assisted repairs
B2100 handle owners needing the most powerful general purpose System 2 burner
The high-output general purpose burner for the System 2 range. The Bullfinch 2105 Autotorch System 2 Burner is in stock and ready to ship. Handle (B2100) sold separately.
Specification
Bullfinch 2105 Autotorch System 2 Burner Specification
Brand
Bullfinch
Model
2105
System
Autotorch System 2
Description
General purpose – large well-defined flame for heating and soldering
Heat Output
5.24 kW (17,890 Btu/hr) at 1 bar
Gas Consumption
377 g/hr at 1 bar
Burner Dimensions
110 × 30mm
Flame Dimensions
115mm length × 30mm width
Jet Size
30
Max Temperature
Up to 800°C (general conditions)
Compatible Handle
Bullfinch B2100 (System 2 handle only)
Suitable Applications
Soft soldering, silver soldering, lead welding & general heating
Not Suitable For
Bronze brazing
Features
Bullfinch 2105 Autotorch System 2 Burner Features
Large Well-Defined Flame — 115mm × 30mm — strong, even heat across larger surfaces for general purpose heating and soldering.
5.24kW Output at 1 Bar — Significantly more output than the 2103 and 2104 — the go-to burner for larger soldering joints and heavy heating tasks.
377g/h Gas Consumption — High performance output with reasonable fuel efficiency.
