Replacement for Stuart Trevi 45 automatic shower booster

[MalcBanks]

17 year old Stuart Trevi 45 twin automatic shower booster pump serving two showers. Leaking and heavily corroded externally. Assuming this model is now obsolete, what would be a suitable like for like replacement?

 

[exedon2]

Stuart Turner monsoon not the cheapest but best on market.

 

[MalcBanks]

Stuart Turner monsoon not the cheapest but best on market.

Thankyou, is that the Standard or Universal Regenerative pump?

 

[exedon2]

Whichever that the system needs.
A sketch of your pipework layout and clear pictures of your existing pump and its connection's would be useful.