Potterton
The Potterton Promax 15/2 HE Plus is a natural gas, wall-hung system boiler with a maximum central heating output of 16.49 kW and an ErP A-rating for heating efficiency.
The Potterton Promax 15/2 HE Plus is a natural gas, wall-hung system boiler designed for UK domestic heating installations. Introduced in 2007, this condensing appliance provides central heating for properties requiring up to 16.49 kW output. This page serves as a reference for heating engineers and homeowners, detailing technical specifications, installation requirements, and common parts for the Promax 15/2 HE Plus, ensuring accurate servicing and maintenance information is readily available.
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Full technical specifications extracted from the manufacturer brochure. Empty sections are hidden.
Connections on the boiler are 22mm.
All systems must be thoroughly flushed and treated with inhibitor
The Potterton Promax 15/2 HE Plus is a system boiler engineered for reliable central heating performance in UK residential settings. Operating on natural gas, this condensing unit delivers a maximum central heating output of 16.49 kW, with a minimum output of 10.1 kW, making it suitable for a range of property sizes. It achieves a seasonal efficiency of 91.3% and holds an ErP heating rating of A, reflecting its energy performance. The appliance features a compact design, measuring 600mm high, 390mm wide, and 320mm deep, with a dry weight of 26 kg. Installation requires specific clearances, including 500mm at the front and 5mm at the sides. Safety features include frost protection, electronic flame sensing, and a pressure relief valve set at 3 bar. All systems must be thoroughly flushed and treated with inhibitor to ensure optimal operation and longevity.
Common questions from engineers and homeowners about the Potterton Promax 30 HE Plus.
Parts referenced in the manufacturer brochure for routine service and repair.
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Specifications on this page are extracted from the manufacturer brochure. Always cross-check against the latest datasheet before commissioning or quoting. Last updated 28 June 2026.