Just had a look around and unfortunately there is a lot of info stating under 15l is ok for non g3 (and some of it is quite recent)
Lucky I got my g3 ticket...
Just had a look around and unfortunately there is a lot of info stating under 15l is ok for non g3 (and some of it is quite recent)
Lucky I got my g3 ticket...
Need g3 updated the regs in 2010 ish g3 covers all hot water systems now only difference is you don’t need to have under 15 l signed off by building control or gas safe eg registered
Was discussing this with a colleague yesterday and looking at NVQ L3 textbook (C&G 6189) "Unvented undersink heaters...Because they are less than 15 litres of storage, they are not subject to the stringent regulations that surround the installation of larger... " - published in 2017. Pretty misleading! smh