Combi boilers: is a combi boiler the right boiler for you? To enable us to fully assess the heating requirements of your home we’ll send a surveyor to your property, free of charge. If you are experiencing a plumbing emergency, or if you are just looking for a hour plumbing service, give us a call! The combination boiler, or combi, is very popular in small residences like. Thanks for printing! don't forget to come back to superior plumbing for fresh articles! We maintain.