Turned of mains water to remove sink unit. Kitchen now has temporary taps on both hot and cold. Water comes out of hot pipe in kitchen. Upstairs i get water from cold taps but not hot. This is presumably an airlock. is there an easy way to fix it and bearing in mind that I will do this again when putting the new sink in, how should I do it next time. P.S. Have not swithed the boiler back on yet.
If it's a mixer tap put your hand over the outlet and switch on both hot and cold. The cold will flow back up the hot tap and clear the airlock.
Mr F.
That only works on cheap unapproved single flow mixer taps, if you have a good tap then link the washing machine taps with 1 hose, turn on hot tap then slowly turn on cold, this will blast the air out, but be aware on a badly installed system you can rupture your cylinder. Listen to the rumbling of air, when it settles down turn off washing machine valves & test the upstairs hot, it may take a couple of goes depending how the plumbing is.
Washing machine hose worked a treat! Had to do it a few times as the pressure wasn't good enough but is fine now.
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