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13 Years
experience
British-Made High-Performance Boilers
Established in 2013, Keston is a British manufacturer of high-quality combi, system, and heat-only boilers. Our twin flue boiler technology offers unparalleled flexibility, with flue extensions up to 27 metres, enabling installations in challenging locations. We pride ourselves on rigorous research and development processes, ensuring all products meet the highest manufacturing standards while complying with regulations. Our national service team provides 364 days-a-year support, offering technical assistance, spare parts, and annual Gas Safe inspections. We stand by our products with warranties of up to seven years, reflecting our confidence in their reliability and performance.

Every boiler is designed to simplify servicing and maximise efficiency, tailored for both residential and light commercial applications. With manufacturing based in Hull, we combine British engineering expertise with practical innovation to address diverse heating requirements. Our commitment extends beyond products, delivering comprehensive support to heating engineers and customers through dedicated technical helplines and training resources. This approach ensures installations remain hassle-free while maintaining optimal operational efficiency. Through continuous improvement and customer-centric solutions, Keston remains a trusted partner in the heating industry.
Services
Twin Flue Boilers Boiler Maintenance Technical Support Gas Safe Inspections Spare Parts Supply
Details
  • Year established: 2013
Highlights and features
  • Award-winning twin flue technology with 27m extension capability
  • 7-year warranties on selected boiler ranges
  • Dedicated technical helpline supporting engineers 364 days a year
  • All boilers manufactured at Hull facility under strict quality controls
  • British engineering expertise since 2013
Services
Twin Flue Boilers
Our twin flue boiler technology enables installations up to 27 metres from the boiler, offering maximum flexibility for domestic and commercial properties. This innovative system maintains optimal efficiency while accommodating challenging architectural designs. Engineered to comply with strict flue-in-void regulations, it provides a cost-effective alternative to concentric flue systems.
Technical Support
Dedicated technical helpline operating 364 days annually assists heating engineers with installation, repairs, and troubleshooting. Our specialists provide immediate guidance for system optimisation and emergency resolution. This service extends to spare parts identification and Gas Safe certification requirements.
Boiler Maintenance
Regular maintenance packages ensure boiler longevity and efficiency. Our Gas Safe registered engineers conduct comprehensive safety checks, component testing, and performance optimisation. Scheduled servicing helps maintain warranty validity and prevents potential operational issues.
Spare Parts Supply
Comprehensive inventory of genuine replacement components available through our dedicated parts website. Quick dispatch system ensures timely delivery for critical boiler elements. All spares meet original equipment manufacturer specifications to maintain system integrity.
Training Resources
Technical training programmes enhance installer proficiency in boiler system operation and maintenance. Resources include product-specific certifications, installation best practices, and efficiency optimisation techniques. Credentials earned through our training contribute to Gas Safe registration requirements.
Questions
What boiler types does Keston manufacture?
We produce combi, system, and heat-only boilers with twin flue technology. Output ranges from 30kW to 55kW suitable for residential and light commercial applications.
How long are Keston boiler warranties?
Selected models offer up to 7-year warranties. Terms vary by boiler type and require annual Gas Safe serviced maintenance to maintain coverage.
Can Keston boilers accommodate long flue runs?
Our twin flue systems support extensions up to 27 metres. This enables installations in locations where traditional concentric flues would be impractical or visually intrusive.
Where are Keston boilers manufactured?
All boilers are produced at Ideals Hull manufacturing facility. Since 2013, our engineering team has maintained rigorous quality control standards during production.
How do I access technical support?
Contact our dedicated helpline at 01482 443005. Technical specialists are available Monday-Saturday 8am-6pm to assist with installation queries and service requirements.
Are training courses available for installers?
Yes, we provide technical training programmes covering installation, maintenance, and efficiency optimisation. Certifications contribute to Gas Safe continuing professional development requirements.