Enhance your heating system with OSO Hotwater’s premium indirect unvented cylinders—precision-engineered from corrosion-resistant stainless steel to provide exceptional performance, reliability, and energy efficiency. Drawing on over 80 years of Norwegian engineering expertise, OSO Hotwater is a trusted choice across the UK, favoured by installers, developers, and homeowners alike. Our indirect cylinders are designed to deliver fast heat-up times, superior insulation, and outstanding thermal retention—helping to lower energy usage and support a more sustainable future. Whether you're upgrading a domestic system or managing a large-scale project, OSO cylinders offer a future-ready solution that combines innovation with proven durability. Start Your Transition to Smarter Hot Water Systems Email: [email protected] Website: https://osohotwater.co.uk/ Sales & Enquiries: +44 0191 482 0800 Technical Support: +44 0191 482 7049 Visit Us: Endeavour House, Seventh Avenue, Gateshead, NE11 0EF