Natural gas Utilising a single powerful 3 ring burner, the Imperial ISPA-18 natural gas stock pot hob allows you to achieve optimum temperatures to meet every kitchen's requirements. 2 adjustable dials control the inner and outer rings, providing variable heat settings in order to easily move between simmering and boiling. Its heavy duty construction from stainless steel and cast aluminium, along with its roll fronted edge, ensure it can accommodate large, heavy stock pots and high volumes of cooking, as well as making it easy to clean - ideal for a busy kitchen environment. Sufficiently compact, this machine also boasts built-in storage, saving you valuable space in your kitchen.