Just had the same problem again (we dont use bath very often just showers)
bath got 1/4 full only then hot water tap ran dry, then air lock again.Went into loft, cold water tank filling up ok, ball cock valve not blocked.
Eventually the air lock cleared (next morning) but still cant see why we...
its done this once before , many months ago and fixed it the same way by blasting water into the hot water pipe by washing machine.
To be fair we only use the shower and this is the first time we have run a bath since! No taps are turned on during or prior to filling bath .
I will venture up...
Hi first post on this forum and hope someone can kindly help me.
My partner ran a bath last night, the hot water filled the bath about half way then tap went to a trickle and eventually stopped.
No hot water at all in any of the other taps in the house.
I have forced water into the hot...