Vaillant has been setting the standards in the heating market for more than 130 years, creating products that have revolutionised the industry. Today, as Europe's number 1 heating technology manufacturer, our heating systems cover renewable technologies, domestic gas boilers, hot water cylinders, controls and products for commercial applications. All systems provide the same enviable reputation for performance, efficiency, quality and reliability that has become synonymous with the Vaillant brand.

Main manufactures domestic gas appliances that are specifically designed to make life more affordable and comfortable for as many people as possible. Over 75 years of reliable service, designing and building domestic gas appliances working to the very highest quality and safety standards for each and every appliance.

That's why Main is such a trusted name within the industry. We have a long and proud heritage of exceptional quality and outstanding reliability. Local service and an international reputation for quality. Today, Main is part of Baxi Group, one of Europe's largest heating appliance manufacturing groups.

With Potterton on your side, you can be sure that you're offering your customers the ultimate in reliability, energy efficiency and service. You're on board with a name that - for more than 150 years - has stood for high quality and unrivalled experience in the design and manufacture of boilers In fact, over the years, more than 2 million Potterton boilers have been built.

Today's Promax HE range uses the latest, proven technology to bring you boilers that are among the most energy-efficient, environmentally friendly and easy to use home heating solutions on the market.

What puts Potterton on top? Our enormous investment in research, design and world class manufacturing - Including a 12 million Product Design Centre, the largest in the UK.