Bleeding radiators can most likely be carried out by yourself but dealing with a pressure problem on your boiler can potentially be dangerous as there is a lot of hot water involved in the system. Horizontal bars form the main design of the stelrad caliente creating a sleek and stylish look - perfect for bathrooms and living areas alike! No matter the issue, no matter the time we are here for you /. Have you reviewed this troubleshooting guide from the manufacture? Boiler.