I had to purge out gallons of water out of a 2 story home gas lines. There is a new large gas main run down the street within the last month, 28 PSI. It looks like the low spot in the neighborhood. Gas company employee said the water came from the house. The only thing possible is a abandoned 3/8 copper gas line to a grill that runs under ground, it leaves the basement at grade. Employee said the gas valve was 3/4 open. It has been like that for years. I found no water in the line that was supplying that valve. It is a vertical pipe down to the water heater, drip leg was dry. So I don't think it came from the abandoned line. Its summer so no heating except hot water and clothes drier. The only thing left is the clothes drier. Has anybody ever had a gas cloths drier feed water into the gas pipe, it's a Bosch front loader. Crazy other thing is the 2nd floor A/O Smith power shot water heater tank started leaking with in days of this happening. The drip leg was dry, the drain in the floor caught the leaking water. I pressure checked the gas line, not bleeding into the drain. 2nd floor edition is many years old. If it did come from the gas main in the street, how can I protect this house from water again?
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