we replaced the original faucet with an italian make which fitted the plumbing behind the sink. ( please see attached image and note that the taps can swivel to 90 degrees .)
We incorporated a Whale swing faucet for the foot pump and were able to seal the existing hole through the stainless steel sink - no more leaks :-)
We purchased both online and are happy with the result.
Good luck and all the best
SV Paladin , Maramu # 75