We offer a supply and installation for. There are two likely causes of the leak. Welcome to coastal drains if you have any problems with your drains, including a blocked or damaged drain then we’re the company to call we specialise in all types of drain repair service and offer emergency 24 hour call outs and insurance work. Boilers commonly use gas, oil, coal, solid waste, or a combination of these depending on fuel availability, price and when the units were installed. From a simple look see to.