The Worcester Greenstar 21Ri ERP is a compact, wall-mounted heating-only boiler designed for smaller properties and apartments. With a 21kW output, it delivers efficient warmth while maintaining low energy consumption to meet modern ERP standards.
This condensing boiler features Worcester's proven reliability and straightforward installation, making it ideal for replacement projects. The heating-only configuration suits properties without domestic hot water demand or those with separate hot water systems.
Key benefits include reduced running costs through condensing technology, a compact footprint for tight spaces, and compatibility with standard heating controls. The ERP rating ensures compliance with current efficiency regulations.
Suitable for installers and homeowners seeking a dependable, space-saving heating solution for UK properties.
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