In the last couple of years, Herz UK has undergone a fundamental change. Now, as well as just the valves, it wants to supply the complete solution – everything from the boiler to the radiator. The Austrian parent took some convincing but the changes have been so successful the policy has been adopted as a world strategy. Shaun Cronin (left), managing director and Mark Goodson, technical manager, (right) talk to Paul Braithwaite about the rise and rise of Herz UK