Diamond H Controls is the UK's leading controls solutions supplier with over 80 years experience in the design, development and manufacture of domestic appliance controls We offer a comprehensive range of gas and electronic controls designed to exceed the vision of appliance manufacturers in the 21st century Manufacturing to ISO9001/2000 at our facility in Shenzhen, China, Diamond H produces controls to all International Approval Standards and services Appliance Manufacturers through a world wide network of agents and distributors