I have a few questions honestly. I work away on towboats so I'm away from home a lot when things go bad, my fiance contacted me to let me know the hot water heater is leaking in the house and has been for awhile and we didn't notice it. But then she goes out by the pump shed and there are two leaks out there. 1 is coming from the gauge; which I would assume is the pressure relief valve; it has happened quite a bit in the last 10 years there have been at least 8 leaks with it. The other leak is coming from something idk what it's called but looks like a valve stem that happens to be under the s
Replace/repair the stem.
Turn off the power to the tank/pump. Drain the tank at least half way, you need a faucet open to drain and let air into the tank.
Close the faucet and fill/turn the power back on to the tank and you should be good for a few months. Repeat as needed.
Will get some air out of the faucets for a few minutes till the pipes are bled/full of water again.
If you keep doing this, you should find the pressure switch lasting for years.
The hot water tank will need replacement. No repair for leaking hot water tanks that is worth doing.