If you need to replace or repair your boiler, here are your options. Longitudinal cracking in derby drains. What pre-hire questions should be posed to a plumber? The authority said that it typically takes three to four years to design, make and install a boiler. Full central heating system boiler policies will include cover for any boiler repairs to things such as your radiators, pump and flue. We are able to provide you with a digital dvd.