Quote:
Originally Posted by Catawbalea
We opened all drain valves and thought all water had drained out. We have never used the pump this year. The 'extra' water, about a quart, came from the second valve from the front. We guessed it was the water heater? That we have never used either. We are old pop up, bring in 5 gal jugs and do fine if we don't have city water connections.
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If you used city water at any time the hot water heater also fills with water. But as Leon noted, the second valve in from the street side is for the fresh water tank.