Greenstar Heatslave External 12/18
Description
The Greenstar Heatslave External condensing oil boilers are designed to be situated outside your property.
The boilers are a great solution when it’s not feasible or desirable to have your boiler inside. They are supplied with an insulated weather-proof cabinet to withstand the elements.
Central heating output: 12-18kW
Hot water flow rate: 15 litres per minute at 35 degree temperature rise.
Efficiency
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Features and benefits
- Best official boiler efficiency rating (SEDBUK band A)
- 2 year oil boiler guarantee, with 5 year guarantee on the primary heat exchanger and 10 year guarantee on the condensing heat exchanger (subject to terms and conditions)
- Ideal solution for saving internal property space
- Can be used with your existing heating controls
- Pre-heated thermal store – instantly heated hot water
- High quality insulated weatherproof cabinet – resistant to water, dust and the external elements
- Built-in frost protection
- Superior domestic hot water flow rate
Product brochure
Our Greenstar oil-fired boiler brochure guides you through our oil boiler range.
Download this brochure Order a printed copy of this brochure View manuals for the Greenstar Heatslave External 12/18Find an installer

As a manufacturer, we supply through trade rather than directly to the public which is why we are unable to publish prices on our website.
Your local Worcester Accredited Installer, who can be found using the search below, will be happy to contact you and provide you with a free quote. Worcester Accredited Installers specialise in Worcester products and many can offer extended warranties.

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