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The Greenstar 25i combi boiler is the replacement for the well-established award-winning Greenstar 24i Junior combi boiler. Millions of 24i Worcester Bosch boilers were installed throughout the UK; at Help-Link we installed thousands of 24i boilers since we were established over 17 years ago.
The replacement 25i model retains the fantastic features of the 24i with the added benefit of been compliant with the new ErP ratings and providing increased outputs, higher hot water flow rates of up to 10.2 litres/min, a user friendly control panel and a larger condensate siphon that eliminates the risk of condensate freezing*.
24i boiler offers the perfect combi solution for a small to medium sized home with one bathroom. The boiler itself can fit in a standard kitchen cupboard so doesn’t take up too much space; full dimensions can be found in the table below. Central heating flow and hot water temperatures can be adjusted using simple control knobs and a clear information display; in addition the boiler is compatible with many thermostats and controls.
|Part number||7 733 600 012|
|ErP Efficiency Rating|
|Dimensions (mm) height × width × depth||710 × 400 × 330|
|Clearances (mm) above, sides, below and front||30, 5, 200, 600|
|Maximum horizontal flue (mm)||4600|
|Maximum vertical flue (mm)||6400|
|Ingress protection rating||X4D|
|Wall mounting jig supplied|
|Central heating output (kW)||24|
|Max DHW output (kW)||25|
|Hot water flow rate (litres per minute)||10.2|
|Minimum inlet pressure (bar)||1.3|
|NOx ennusions (mg/kWh)||49 (39 with a code plug)|
|Lift weight (kg)||31.7|
We’ve been installing Worcester Bosch boilers since the company was founded in over 17 years ago. Because we’ve got a national network of Worcester Bosch experts we can install a Worcester Bosch 25i combi boiler with as little as 24 hours’ notice. Get in touch to find out if a 25i boiler is right for you and your home.
A boiler is a big decision. If you want to talk through something in person, simply fill in the form below to give us an idea of where you are and one of our local advisors will give you a call back quick-sharp.
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Our Registered office address is 3310 Century Way, Thorpe Park, Leeds, LS15 8ZB. VAT Number: GB 559 6696 69. Company Reg: 03527087
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