Yes, you should have your unvented hot water serviced at least once a year. Converting over To Unvented Hot Water Just like you have your gas boiler serviced. Watch the video below to see what could happen should something go wrong. That just shows you what could happen if some form of failure occurred. Let's look at the unvented hot water cylinder and explain how it works. [...]
Duval Heating Theme Copyright 1985-2022