Bath Mixer Tap Problem?

[wild nomad]

Hi there,

The thermostatic bath taps are running too low pressure and are either freezing or boiling.

Anyone have any ideas as to what is wrong with it?

 

[drip-dry]

Has this just started happening or always been like this,if just started maybe check inlet filters first,if always like this..maybe check cold is not tank fed and hot on main....

 

[wild nomad]

Has this just started happening or always been like this,if just started maybe check inlet filters first,if always like this..maybe check cold is not tank fed and hot on main....

Yes, just started happening. Thanks for your suggestions