Change hot water tap washer

[smudge450]

I need to change my hot water tap washer,due to having a combi boiler do i have to turn the boiler off to stop the flow to the tap?

I know how to do the cold water taps, but to be honest i'm slightly baffled with the hot.
Thanks

 

[seco services]

just shut your stopcock on the cold mains.

 

[crockett]

turn off the cold supply to the combi, this should suffice

 

[smudge450]

Thanks for that.
But wont the combi still kick in when i turn the tap on to run off the water?

 

[crockett]

No flow to boiler = no flow switch activation = no boiler fire up

 

[smudge450]

ahhhhhhhhh
Thank you again, much appreciated