Boiler installers should normally be accredited to a relevant trade body however, householders can use an installer of their choice. When you run into a leak or other plumbing issue, don’t wait call mr plumber, night or day. Neil was polite and friendly and completed the work to a tight deadline.”. Join our monthly mailing list for exclusive promotions! Best personal finance software. What are your experiences of installing a new boiler? how much did you manage to save? let us know! If you.