K
kirkgas
aye, i've seen the 3hr boiler swappers, most leave right mess.
ooohhh tam will bite you for this comment, i'm telling you there are tons of guys who can/could do it, and leave a top class job, depoends whats in and what goes in, its all about being organised, doing one thing on auto pilot, starting the next one with one hand and thinking about the thing after that, loads of guys in a 2 man team used to do a great one day install on an indirect system with a new cylinder and control pack, with F&E tank in the loft and quite often a new BBU