The staff at monkey wrench is a friendly bunch that are here to make your life easier! Our specially trained online support team will work closely with our network of branches throughout the uk, whatever your query, we're here to help! Made with plate steel vessel for enhanced durability. Get the comfort you need at a price you can afford! This tool is a guide and we recommend that you contact a glow-worm club energy installer for expert advice as every install and heating need.