Live Steam Boilers for Model Locomotives & Traction Engines
Welcome to ModelSteamBoilers.com a trading style of GB Boilers. We Manufacture Copper Boilers for Live Model Locomotives & Traction Engines in all sizes from Gauge 1 to 5" gauge, All Our Boilers Comply with the Latest Regulations and come Fully Tested and Certified to UK & European Standards with a UKCA Stamp.
We specialise in the production of copper boilers for live steam locomotives and traction engines. Our copper steam boiler range is manufactured to either standard published designs or for a new & bespoke design to supplied & approved drawings. Our boilers are made to order, their construction is all copper, bronze bushes and silver soldered throughout.
Upon completion, boilers are hydraulically tested to twice the maximum allowable pressure and are supplied with Certificate of Conformity and Initial Test (CCIT) and UKCA Stamped.
George Brannigan the owner of GB Boilers has earned a reputation for manufacturing the highest quality copper boilers at competitive prices with prompt delivery,
We Manufacture Copper Boilers to Standard Published Designs
We manufacture and supply live steam boilers for model locomotives UK and Europe, built to the highest standards for reliability, safety, and performance. Whether you are restoring a classic engine or building a new project, our live steam boilers for model locomotives are designed to meet the demands of serious model engineers.
Our range includes live steam boilers for traction engines UK and Europe, suitable for both exhibition running and private collections. Each boiler is engineered for long service life, efficient steaming, and compatibility with traditional fittings and controls. Browse our boiler range below or call us to find out and get a quote for the standard published designs we manufacture. We can also cater for any new or bespoke designs subject to approved drawings.
Gauge-Specific Live Steam Boilers
We specialise in live steam boilers for 5″ gauge locomotives UK, as well as other popular scales. Our experience ensures that each live steam boiler for a 5″ gauge locomotive delivers consistent pressure and safe operation under realistic running conditions.
Available options include:
- Live steam boilers for 5″ gauge locomotives UK
- Live steam boilers for 3½″ gauge locomotives Europe
- Live steam boilers for model locomotives UK
- Live steam boilers for model locomotives Europe
All designs can be adapted for specific prototypes or layouts, ensuring the boiler fits both the model and the intended use.
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3½" Gauge Copper Boilers

5" Gauge Copper Boilers

Full Copper Boiler Range
Custom Built to Order or Ready to Fit
If you are searching for a live steam boiler for sale UK or live steam boilers for sale Europe, we offer both custom-built and standard designs. Every live steam boiler for sale is manufactured using high-grade copper and proven construction techniques widely accepted in the model engineering community.
We also supply live steam boilers for traction engines UK, .
Certified Live Steam Boilers and Expert Support
Safety and compliance are essential. We provide certified live steam boilers UK and Europe, with documentation available to support testing requirements. From initial design to final hydraulic testing, every boiler is produced with attention to detail and long-term reliability.
If you are looking for live steam boilers for model locomotives Europe, or a trusted supplier in the UK, we are happy to discuss your requirements and recommend the most suitable solution.
Why Choose GB Boilers?
- Purpose-built live steam boilers for model locomotives UK
- Proven designs for traction engines and locomotives
- Support for UK and European certification
- We cater for custom and standard live steam boilers
If you can't see the design you require please contact us with details about your specific requirements.

