Cold water flowing down the hot pipe

Will replacing the thermostatic cartridge prevent the cold water flowing down the hot pipe
Asked 3 years ago by Lee Starr, Market Harborough
It is usually a faulty non return valve that causes this to happen.

Answered 3 years ago by Barrie Seabright

Hi

Do you know which check valves will be required for this shower?

Many thanks

Lee

Answered 3 years ago by Lee Starr

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