Benefits from replacing your old boiler system. Unsure of your options? our friendly team advise on the best heating fuel and boiler type for home, striving to understand your needs, water usage and daily routines. Find out how you can make sure you get a good boiler service plus we reveal the results of our undercover boiler engineers investigation. At epg plumbers, we recommend an annual maintenance plan for your boiler for three important reasons: safety, reliability, and.