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E-Compact Slim Pellet Boiler
The E-Compact Slim indoor pellet boiler is perfect for homes where space is at a premium. Designed with a smaller footprint, your service engineer has full access from the front of the boiler and so can be discreetly installed against a wall.
With its subtle design and sleek casing, the E-Compact ‘Slim’ boiler is the ideal choice for modern homes. Easy to use, with automatic burner and heat exchanger cleaning as standard. Also available with i-Gen controller.
Standard Features
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Automatic burner cleaning as standard
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Automatic heat exchanger cleaning as standard
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Ceramic ignitor (as standard)
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Plastic-moulded lid
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Energy-efficient variable speed pump, as standard
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Fitted with frost-stat for weather protection
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5-year boiler warranty*
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2-year warranty on electrical parts*
Emissions Data 15 & 18 kW
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PM mg/m3 @10% O2: 37.5
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OGC mg/m3 @10% O2: 1.2
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CO mg/m3 @10% O2: 154.7
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NOX mg/m3 @10% O2: 182.7
Energy Labelling Data 15 & 18 kW
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Energy Class: A+
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Energy Index: 125
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Seasonal Efficiency: 84.6%
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Net Efficiency – 92.8%
The ‘Slim’ model boiler is also available as an outdoor boiler, with weatherproof casing – an ideal solution for those who have more limited space.
For an even more hands-off experience, install the E-Comapct ‘Slim’ boiler with one of our external fuel stores and automatic auger feeding. See more on fuel transport and storage systems here.
i-Gen Controller

All of our domestic wood pellet boilers are available with our new i-Gen Controller. Combined with smart technology, the i-Gen Controller allows you to easily control and monitor the performance of your boiler, for improved efficiency.
The ultimate in boiler control, and combined with smart technology, the i-Gen enables ‘out of the box’ installation with fuzzy logic PID control, meaning the commissioning process is greatly simplified.
Features
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Access your monitoring platform on desktop or mobile
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7-day programming
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Reminders to clean your boiler’s ash pan and to schedule services send directly to your inbox
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Low fuel level notifications
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Comprehensive fuel usage reports
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Remote access via WiFi for support from our technical team if required
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Fuzzy logic PID control, for quick and easy commissioning