We design and manufacture industry-leading hydronic products and solutions that give you control at every turn and help create energy-saving, cost-efficient HVAC installations.
Ensuring you have control at every turn is what we’re all about. We’ve developed a range of applications and software downloads to help you design, install and optimise every type of HVAC solution.
We are the Hydronic Engineering experts. We invented the concept, created products to back up the theory and love sharing best practice at our Hydronic College and through regular training seminars.
Download library We’ve created an extensive library of product-related technical documentation and a wide range of other useful information to help you get the most out of our globally-renowned products and solutions.
A Return lockshield enables you to shut off, drain and fill individual radiators in warm water heating and air conditioning installations - without shutting down the whole system. Ideal for carrying out essential maintenance without affecting other radiators, they include a pre-setting cone to enable you to simply and quickly achieve perfect hydraulic balance.