When the tank's internal pressure exceeds its limit, the TPR valve opens, allowing steam and hot water to spray from the ...

Step 3: Flush your tank. After opening all the hot water faucets around your house, proceed to open the water heater drain valve. ... Keep several large buckets on hand to capture the outflow.

According to one industry source, a steel water tank with a capacity of 67,000 gallons measures 15-feet in diameter and stands 48 feet high. An Olympic swimming pool holds about 660,000 gallons of ...

The California Department of Water Resources made the jump from 15,000 cubic feet per second to 20,000 cfs Wednesday as part of its ongoing plan to keep up with storm-related inflows.