How do I connect a diverter to a Grohe tap?

[chrisW50450]

It’s agains water safety rules

As are all but twin flow "mixer taps" when used on mains water.
Some Polish plumbers have a Youtube video taking the P out of these mixer taps that don't mix.

 

[ShaunCorbs]

As are all but twin flow "mixer taps" when used on mains water.
Some Polish plumbers have a Youtube video taking the P out of these mixer taps that don't mix.

that’s why you need to install double checks or the supplied valves which include back flow prevention

 

[chrisW50450]

that’s why you need to install double checks or the supplied valves which include back flow prevention

....and why every other country in Europe just uses mains pressure balanced hot and cold water supplies, with the backflow protection at the water company's meter.

 

[ShaunCorbs]

***.and why every other country in Europe just uses mains pressure balanced hot and cold water supplies, with the backflow protection at the water company's meter.

you can do that here and then install what you want you need to install a break tank and pump eg dab e systank and pump

then you can install what you want