Hot water, low-pressure

[sonnywhu]

Hi today, I installed a new kitchen tap, isolated the stopcock I’m drained down the hot water when turn the stopcock back on the pressure outside the kitchen tap was weaker. Strangely, the bathroom tap has good pressure this is for the hot both colds a good pressure
Any advice please?

 

[fowlerboi]

Do you have a gravity hot water cylinder or a combi boiler?

 

[sonnywhu]

Do you have a gravity hot water cylinder or a combi boiler?

It’s gravity

 

[fowlerboi]

Which tap did you buy?

Some taps aren’t made for gravity