[RipNC]

Jeremy,

Did you loosen the screws on either side of that nut? Once the pressure is of of those screws you should be able to loosen the nut by hand, may help to have 2 people - one unscrewing the faucet while the other holds the nut. I swapped ours out several months ago.

Also, add a stop (valve) to your pex with the correct compression threads - they make shark bite style valves that'll work. I've added valves to all my supply lines.