The Sievert 8704 Standard Burner is a professional gas burner head designed for precision soldering work up to 18mm diameter pipe. With its compact 16mm diameter design and reliable bayonet connection, this burner delivers 1.2kW of heating power for efficient copper pipe jointing and general soldering applications. Engineered specifically for compatibility with Sievert Powerjet handles (models 253501, 253511 and 253547), this standard burner provides tradespeople with a versatile tool for plumbing installations and repairs. The bayonet fitting ensures quick, secure attachment and removal, allowing contractors to switch between different burner sizes as job requirements change throughout the working day. Ideal for residential plumbing work, heating system installations and general copper pipework, the 8704 delivers consistent performance across common domestic pipe sizes. The 1.2kW output provides sufficient heat for reliable solder joints whilst maintaining good fuel efficiency during