I have just got this book from Corgi Direct to revise for my Unvented Hot Water.
Does anyone else have it, if so does it contain all the info needed to book the course? (I know I should have asked that first really lol )
CORGIdirect Unvented System Design Guide | Domestic Gas | Corgi Direct
Does anyone else have it, if so does it contain all the info needed to book the course? (I know I should have asked that first really lol )
CORGIdirect Unvented System Design Guide | Domestic Gas | Corgi Direct