Cooking made easyThe Essentials CGHOBB21 Gas Hob has 4 rings in different sizes, so you'll have plenty of options for getting creative in the kitchen. Dial controls make it easy to adjust the heat, and with auto-ignition you just turn a dial to begin cooking.For your peace of mind, the flame failure safety device automatically cuts the gas supply if one of the burners accidentally goes out.Easy-clean pan supportsAfter you've finished cooking, cleaning the hob is no hassle at all. Simply lift off the enamel pan supports and wipe away any mess with a damp cloth.___________________________________________GAS INSTALLATION: This product requires installation by a qualified gas safe engineer, such as one of our Tech experts (available in the UK only).ELECTRICAL INSTALLATION: This product requires professional installation to a 13 Amp fused spur by a qualified installer, such as one of our Tech experts.