The Greenstar Utility 18-25 is part of a market-leading range of energy-saving condensing oil-fired boilers from Worcester Greenstar Utility Regular boiler series. Greenstar Utility 18-25 combines high quality design for reliability and excellent energy-saving technology. They can cut heating and hot water bills by between 5-10% and leaves less effect on environment. At least 93% of the oil consumed by a Greenstar Utility condensing regular boiler is converted into heat for the heating and/or hot water system.
The latent heat of the gaseous by-products is extracted and reused as a secondary heating device meaning that a very less of energy is wasted or lost and boiler delivers less carbon dioxide in the atmosphere.The Greenstar Utility condensing boilers are designed to supply this highly efficient ouptut by recycling exhaust gases. Greenstar Utility series boilers are easy to install and can be placed in the kitchen or utility room.
Pick up only NO DELIVERY - you must make arrangements to pick item up.
Key Features:
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25kW, 50kW and 70kW outputs
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SEDBUK(Seasonal Efficiency of Domestic Boilers in the UK) A Rated ? more environmentally friendly
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Robust quality manufacture ? quality assurance
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Cabinet dimensions specifically designed for ease of installation in new or existing garage/utility rooms
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Compatible with Greenskies solar panels
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5 year warranty - Subject to conditions
Specification:
| Title |
Value |
| Height (mm) |
855mm |
| Width (mm) |
370mm |
| Weight (lift) |
119kg |
| Depth (mm) |
600mm |
| SEDBUK Value/band |
93% Band A |
| Solar compatible |
Yes |
| Burner |
Sterling 50 |
| Minimum diameter flue CF |
100mm |
| Minimum diameter flue RS |
80/125mm |
| Primary vent |
1 inch BSP |
| Primary cold feed |
1 inch BSP |
| Heating flow and return connections |
1 inch BSP, 22mm |
| Condensate connection |
22mm plastic |
| Oil connection |
10mm |
| Max. primary static head |
30 metres |
| Maximum flow temperature |
55/82°C |
| Min. primary static head |
1 metre |
| Primary water content |
20.5 litres |
| NOx classification |
Class 3, 70mg/kWh |
| Water side resistance 20°C |
20 mbar |
| Exhaust flue gas mass flow |
40kg/hr |
| Control thermostat range |
5°C |
| Power consumption |
140W |
| Ingress protection rating |
20 IP |
| Flue reset overheat thermostat (cut out) (°C) |
120°C |
| Boiler manual reset overheat thermostat (cut out) |
105°C |
| Boiler high limit thermostat (cut out) (°C) |
95 2°C |
| Maximum hearth temperature |
100°C |
| Maximum horizontal flue RS |
4,000mm |
| Maximum vertical flue RS |
6,000mm |
| Power supply |
230 AC V 50Hz |