If that doesn’t do the trick, try option two…. Let us service your heating system, deliver your fuel and keep your water flowing! Customer services ready to help by live chat. We work with all the main recognised and trusted brands dependant on the project and budget we use, worcester bosch, intergas, grant and more . Electric boilers work under a similar principle as traditional gas boilers; however instead of requiring fuel to heat the water in a central heating system it uses electricity.