In alt.home.repair, on Sun, 24 Mar 2019 06:09:12 -0400, Otis Campbell
wrote:

On 3/23/19 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.

use the hairdryer trick

ROTFL