Promax SL Reviews (Regular Condensing)

Our rating: 5/5
Efficiency rating: 91.3%*

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Potterton Promax SL

The Potterton Promax SL is a slim line heat only boiler, providing a highly efficient central heating and hot water system with a wide range of modulating outputs. Boasting the highest possible energy efficiency band, the SEDBUK Band A, in all of its models from 10.2kW to 30.2kW it can cater to a wide range of home sizes and their demands. As well as helping the environment with it's high energy efficiency, the Potterton Promax SL has also achieved the best class, class 5, possible in low NOx emissions. Hot water can be provided by a separate source, including an indirect cylinder.

Visually, the Potterton Promax SL has the classic style and simplicity of the earlier ranges of Potterton systems, and provides higher energy efficiency and significantly lower NOx emissions without compromising on size - it is sleek and compact, and can be wall-mounted to fit a standard 300mm deep kitchen unit space. The Potterton Promax SL is clean and white in appearance, with the user-friendly controls behind a snug grey plate at the bottom of the unit.

• Available in 12kW, 15kW, 18kW, 24kW and 30kW wall-mounted and slim-line models
• Lightweight and compact, it can be sited in an unventilated cupboard, or wall-mounted in a standard kitchen cupboard space (300mm deep)
• Class 5 low NOx emissions - the lowest class available.
• SEDBUK Band A in energy efficiency
• 1 year manufacturer's warranty
• Flue lengths are available of up to 75m
• Large range of flue options and parts allow the Potterton Promax SL to be sited is more convenient locations
• Requires no compartment ventilation

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* When review applies to a range of Boilers, efficiency applies to best model in range. Always check with manufacturer.