I went on a service call today where the lady said her gas water heater tp valve would open up occasionly and let water out (at least once per day). She has her temp set fairley low. Of course it didn't do it while I was there. The house is in a new area where the water preasure might be high until more homes are built? My experience in the past is they either leak all the time or not at all on a gas water heater. What do I need to look for or test?
Thanks,
AzCraig