Don’t panic! your plumbing emergencies don’t have to send your life into a tailspin. Tips on dealing with plumbing emergencies. We’ll aim to deliver these products within 7 working days, between 7am and 8pm we’ll let you know when your order will be delivered. In 2013, the boiler safety bureau, working with the devoted owners of these historical boilers, adopted the national boiler inspection code for historical boilers this allowed standardized.