11" or 27" are £14 or £15 (£15 or £18 for the long life ones) from ToolStation, box spanner is a fiver.
Bottom drain, take off the pressure, crack the seal, drain down, remove, renew, refit. The logistics I know, it's the cant be @rsed part of me that wanted to pay somebody else to do it.
Today I was in Manchester, Chester tomorrow, North Wales on Sunday, Northampton on Monday, Carlisle on Tuesday (and Manchester again), Birmingham Wednesday and on Thursday it's my daughter 21st so wherever I'm meant to be they can all do one as I'm taking her out. Somewhere amongst that I also have to arrange for the new shop (can't advertise it as you know) to be fitted out and the new equipment to be delivered.
I'm so grateful sometimes for not having to sleep, however I have noticed that if you try and do any work in the early hours the neighbours all seem to want to check that you are aware of the time
Thanks for the help anyway, glad the iPhone advice helped.
Okay, so it's brown to Earth.......