Category: boiler service
You touch oven knobs frequently while handling food, but how often do you clean them? pull the knobs off, and give them a good cleaning with a 1:1 mixture of vinegar and water for stubborn stains, let the vinegar sit for at least 10 minutes. The most common is the combination (or ‘combi’) boiler that heats up your hot water as and when you need it. It is understood the makers of extreme green are working with trading standards to determine.