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Worcester Greenstar 21Ri (ErP) Regular Boiler Only

£1,149.07 £957.56
In stock
19 Available for Delivery
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As the smallest of Worcesters condensing boilers, the Greenstar 21Ri regular (heat only or conventional) boiler can be installed out of sight within a standard kitchen cabinet. Used with a heating system that includes stored hot water in a cylinder, its ideal for flats or small houses with one bathroom. Compact dimensions to fit within kitchen cupboard Multi-directional flueing for siting flexibility Fascia-mounted heating temperature control knob Neon operational status indicator
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Worcester Bosch
Boiler Height
Boiler Width
Boiler Depth
Weight (KG)
Boiler CH Output (Kw)
Boiler CH Output (BTU)
ErP Heating Rating
A Rated for Heating
Manufacturers Warranty
5 Years (Subject to Manufacturers T&C's)
Manufacturers brochure PDF File
Installation PDF File
Customer Questions
What are the internal and external sizes of the BoilerBox

Inner - 76.8cm L x 57cm W x 41.5cm H - Outer - 80cm L x 60cm W x 44.5cm H

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