What's a Back Boiler?

Back boilers (also known as back boiler units or BBUs) became popular in 1966 with the launch of the original Baxi Bermuda. A back boiler is a small, compact boiler fitted at the back of an open fireplace hearth. It sits behind a gas fire and provides hot water and central heating to the property.

Why are Back boilers illegal?

Old Back boilers are no longer safe, which is why they are illegal. The conventional or old boilers have less efficiency, more energy consumption and expensive maintenance. ... You need to replace your back boiler or remove it. You can replace it with a new back boiler or convert to a combi, system or heat only boiler.

Are Back boilers any good?

Back boilers are outdated heating systems that are expensive to run as they're much less energy efficient. Energy efficient: typically, a back boiler provides only 78% energy efficiency which is below the government's minimum requirement of 86%. Many modern boilers can achieve efficiency of 90% and more.