I would definitely include a backflow preventor in the new setup too.

But this would probably work. Hose bibs have GHT garden hose threads and you need to change to npt.

Not sure if this is the correct size, only thing I screw into hose bibs is psi gages.

https://www.amazon.com/summery-life-Connector-Industrial-Fittings/dp/B07MVK22VT/ref=mp_s_a_1_3?adgrpid=56734546020&gclid=EAIaIQobChMI3Zjj1uu1-gIVEhXUAR1y9AavEAAYASAAEgLKmPD_BwE&hvadid=274743084235&hvdev=m&hvlocphy=9028317&hvnetw=g&hvqmt=e&hvrand=13944732787927611586&hvtargid=kwd-338989747439&hydadcr=21004_9427387&keywords=garden+hose+to+npt+adapter&qid=1664311578&qu=eyJxc2MiOiIzLjk3IiwicXNhIjoiMy42MSIsInFzcCI6IjMuNTQifQ%3D%3D&sr=8-3