A gas water heater has a pilot light, a very small flame that stays on always to light-weight the burner if the sign is shipped from the thermostat. See It Tricky water features a terrible routine of eroding pipes and producing damage to a house’s inside water process over time. https://leakfixsolutions.com/top-10-plumbing-repair-services-access-denied-for-top-notch-repairs/