Yesterday evening, just as my husband and I were leaving home to attend a small barbeque, he discovered water in the downstairs laundry room. He cleaned it up and then discovered water in the bathroom next door and also in the hallway. Luckily we don’t have carpet in these areas, but it was still unsettling. There was enough water to drench a number of towels. I checked outside for a running hose, but everything was dry. We checked the water heater and the…