Worcester Greenstar 12 Ri ErP+ Regular Boiler
The Worcester Greenstar 12 Ri ErP+ Regular Boiler is one of the smallest and most efficient boilers in the Worcester Bosch Greenstar range. Compact, reliable, and energy efficient, it’s designed for homes where heating and hot water are supplied by a traditional system with a hot water cylinder and cold-water storage tank.
Ideal for small to medium-sized properties, the Greenstar 12 Ri offers dependable performance, low emissions, and easy installation — all wrapped up in a compact unit that fits neatly into a standard kitchen cupboard.
Compact, Efficient, and Reliable
The Greenstar 12 Ri is A-rated for efficiency (SAP 2005 seasonal efficiency), ensuring excellent performance while keeping energy bills and environmental impact low.
With its 12kW heat output, it’s well-suited to smaller homes with modest heating and hot water demands, delivering consistent warmth and efficiency throughout the year.
Smart Design for Flexible Installation
At just 590 x 390 x 270mm (HxWxD), this boiler’s compact design makes it ideal for installations where space is limited. Its lightweight construction (27.4kg) makes it the lightest in its class, while the multi-directional flue system offers greater flexibility when choosing where to position it.
For added convenience, the flow and return pipes can be plumbed from above or below, simplifying installation and reducing labour time.
Ease of Use and Simple Controls
The Greenstar 12 Ri features a fascia-mounted temperature control knob and a neon operational status indicator, providing straightforward operation and at-a-glance system information.
It’s also compatible with Worcester Bosch Greenskies solar panels, allowing homeowners to integrate renewable energy sources for even greater efficiency and sustainability.
Environmentally Friendly Performance
Designed with the environment in mind, the Worcester Greenstar 12 Ri delivers low NOx and CO? emissions, meeting strict environmental standards while ensuring outstanding reliability and long-term performance.
Durability and Peace of Mind
Built by Worcester Bosch, a name synonymous with quality and innovation, this boiler comes with a 7-year guarantee for total peace of mind. Its durable components and robust build ensure lasting performance you can rely on year after year.
Key Features & Benefits
A-rated efficiency (SAP 2005 seasonal efficiency)
Compact dimensions – fits neatly in a kitchen cupboard
Built-in heating temperature control for ease of use
Lightweight design (27.4kg) – easy to install and handle
Multi-directional flue system for flexible siting options
Compatible with Greenskies solar panels for renewable heating
Low NOx and CO? emissions – environmentally responsible
Flow and return pipes can be connected from above or below
7-year manufacturer’s guarantee for peace of mind
Technical Specifications
Manufacturer: Worcester Bosch
Model: Greenstar 12 Ri ErP+ Regular
Boiler Type: Heat Only (Regular) Boiler
Sub Type: Gas Regular
Fuel Type: Natural Gas
Mounting: Wall Mounted
Condensing: Yes
Heat Output: 12 kW
ErP Rating: A
Colour: White
Weight: 27.4 kg
Dimensions (HxWxD): 590 x 390 x 270 mm
Noise Level: Low
Fitting Location: Internal
EAN: 4057749719133
MPN: 7733600307
Product Code: PN175143
Guarantee: 7 Years
Perfect for Small Homes
If you’re looking for a compact, energy-efficient boiler that delivers reliable heating and fits neatly into your home, the Worcester Greenstar 12 Ri ErP+ Regular is the ideal solution. With proven Worcester Bosch quality, flexible installation, and long-term peace of mind, it’s a smart investment for efficient home heating.
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