I replaced the boll cock valve today after our old one broke spilling gallons of water down the bowl and over the side of the top of the cistern. I couldn't get the mains connection to the valve to seal using PTFE and have only just found out the connection needs putty and a rubber washer which I hope Josie has been able to buy from B&Q whilst I'm busy at work. I told her to turn off the mains water to stop too much water leaking into the plaster above our kitchen, but she has continued to use the hot water (un known to me) and not has phoned me to complain that when she last used the hot water (5 mins ago) there was a very loud humming niose in the house and my childen are now crying and scared of the noise which persists even though she has turned off the hot tap.
I suspect she's drained the tank and that there is air in our system now! Is this as simple to fax as running the hot tap with the mains turned on (annd towels to mop uo the toilet cistern leaks)?
All help greatfully received.