On 3/23/2019 7:14 PM, Ray Barker wrote:
Water is only heard when the water heater is heating water , which is
often.
Water bill has increased about double the normal amount. This is a gas
water
heater.

Where is the water heater? Is there an expansion tank on it? If it
becomes waterlogged and the water cannot expand when heated, it can be
forced ou the safety valve. Is the safety plumbed into a drain? If you
cannot see the water, feel the tubing on the exit to see if it is hot.