Pressure switch for wells

[Stephen Shelton]

I have a property that has a well: they're great for home owners but are a PITA for landlords. 

I'm in warm sunny Florida so everything is outside: the well (obviously), the pressure tank, and the pressure switch. The switch is a PITA and a notorious problem with other well owners down here because the switch is outside and exposed to the elements and fireants and frequently fail. The "fix" is to wack the switch so it works again.

In 2 years I've replaced it 3 times. I can't use pesticides because it's above a well! I'd like to get a heavy duty version but can't find one.

Maybe I'll coat the pipes with Vasoline to keep bugs out.