Oil boiler reviews
EurocalGrantTriancoViessmannWorcester BoschCamray Utility System 18/25Camray Utility System 25/32Greenstar Camray 12/18Greenstar Camray 18/25Greenstar Camray 25/32Greenstar Camray External 12/18Greenstar Camray External 18/25Greenstar Camray External 25/32Greenstar Camray Utility 12/18Greenstar Camray Utility 18/25Greenstar Camray Utility 25/32Greenstar Camray Utility System 12/18Greenstar Danesmoor 18/25Greenstar Heatslave 12/18Greenstar Heatslave 18/25Greenstar Heatslave 25/32Greenstar Heatslave External 12/18Greenstar Heatslave External 18/25Greenstar Heatslave External 25/32Greenstar Utility 18/25Greenstar Utility 32/50Greenstar Utility 50/70Greenstar Heatslave External 25/32 Reviews (Combi Condensing)
Our rating: 4/5
Efficiency rating: 90.3%*
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Worcester-Bosch Greenstar Heatslave External 25/32
The Worcester-Bosch Greenstar Heatslave External 25/32 is an oil fired condensing "combi" – short for "combination" – boiler that is typically suitable for a large family house or similar property where hot water is drawn simultaneously in more than one bathroom or shower room on a regular basis. The Worcester-Bosch Greenstar Heatslave External 25/32 is a relatively large floor standing model offering output of between 25kW and 30kW for domestic hot water and central heating. The flow rate for domestic hot water is 22 litres or 4.8 Imperial gallons per minute.
The appliance is 90.3% energy efficient and classified as SEDBUK ("Seasonal Efficiency of Domestic Boilers in the United Kingdom") Band A for energy efficiency. The boiler unit itself includes integral frost protection and is physically protected by a high quality weatherproof cabinet which is resistant to moisture, dust, and the effects of the elements. The Worcester-Bosch Greenstar Heatslave External 25/32 can therefore provide an ideal solution in situations where space or other constraints prevent a boiler from being accommodated indoors.
Key product details and features of the Worcester-Bosch Greenstar Heatslave External 25/32 include:
- SEDBUK Band A at 90.3% energy efficient
- 28 second burning oil – also known as kerosene or paraffin – fuel only
- 950mm x 640mm x 770mm, Height x Width x Depth, 206kg
- Suitable for use on open vented or sealed systems
- Instant hot water
- Class 3 75mg/kWh for nitrogen oxide (NOx) emissions
- Comprehensive 2 year parts and labour warranty – 5 years for primary heat exchanger – subject to terms and conditions
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* When review applies to a range of boilers, efficiency applies to best model in range. Always check with manufacturer.