Two days ago my water heater started leaking from the pressure valve the same day I had to turn up the temperature cause had barely any hot water now it's leaking lots of water I tried draining some water out of the water heater but it's still leaking

The T&P valve will leak if either the water temperature is too high or if the water pressure gets too high.

Set your temperature low and see if the leak stops, if not check your water pressure water pressure should be between 40-60 psi.
If the temperature and water pressure are Ok, then it sounds like the T&P valve failed and you need to replace it, failure of the T&P valve can cause explosion open the link watch the clip, Thanks.

Joh


Water Heater Blast - YouTube (http://www.youtube.com/watch?v=rDzC8RfJzJk)

What's the PSI entering your house? Back to you, Tom

Afaroo's post is the correct way to go, an expansion tank would be a additional problem solver along with Afaroo's post.

Sure would be nice to determine what house pressure we're dealing with before we start adding stuff. Is there a PRV, (pressure reducing valve) installed? Regards, Tom

Two days ago my water heater started leaking from the pressure valve the same day I had to turn up the temperature cause had barely any hot water now it's leaking lots of water I tried draining some water out of the water heater but it's still leaking

Temp. may be too high. T&P valve means Temp and/or Pressure and will release on either one. Sometimes after releasing they willcontinue to leak because of foreign matter under the seat . Check with the water dept and ask if the water meter has a built in check valve. If it does you may need a thermal expansion tank on your system

Guys! We're just spinning our wheels until Richard posts back with some answers. Tom