As far as I am aware the checker runs on geographical location, based upon current records for the speeds in your aea. Did you get a new number?, or keep the same phone number you had with a different service provider?? If you imported your number to BT this could be the reason it is showing...
I got home from work today to find water spewing out of the boiler - luckily I was home only 10 mins after the timer had kicked in so not too much damage had been done.
I immediately stopped the water flow, shut off the boiler and let the water drain away. Once I unlocked the stop tap, cold...