My situation is a bit unique. I use a well submersible pump place directly into the water of our lake mounted on a fencepost at the bottom of our cove. I had our 120volt 2 wire well pump just go down after 16 years of service. I purchased a new pump and did not ask them about 2 wire or 3 wire because I assumed a 120volt 1/2 horsepower pump would only come as a 2 wire. I was surprised to see the extra wire on the pump when replacing. The old pump was wired directly to the pressure switch. My question is this: Because this is a 120volt pump and only a 1/2 horsepower, can I wire it directly to the pressure switch by only wiring one of the motor hots to the hot lead? I do not want to mount a capacitor well box. I would rather just get a 2 wire pump to keep it simple. Just thought that maybe I had a chance that this pump might work being it is only 120v.