The electric boiler doesn't need much space to work. At glow-worm we believe there is nothing worse than the shock of a cold shower – not the best way to start your day! Find out more about how we handle meter tampering. Is a combi boiler right for you? I'm currently having trouble trying to repressurise my boiler unfortunately, the youtube tutorials and the manual look different to mine! Our aim is to save you money quickly and easily we hope you like it! Excellent service the boiler was fitted.