If your water is rust colored or not heating quickly, it may be because sediment in collecting in your water heater. Here's how to drain the tank.
Relegated to a closet or a basement corner, a water ... heater and the cold water valve, let the water cool and drain the tank before you can replace the drain valve (so prepare to be without hot ...
Drip both hot and cold water: Turn on a cold faucet and also let hot water drip from the fixture furthest from your water ...