
Select the issue:
Step 1: Is it an Electric Water Heater?
Step 1: Open the tank. Is the water level going over the overflow tube?
Step 1: Did plunging it fail to clear the stop?
Step 1: Is the pressure low at every single faucet?
Step 1: When you flush the toilet, does water come up in the shower/tub?
Step 1: Can you isolate the shut-off valve for that fixture?
Step 1: Does the water get cold only when someone flushes?
Step 1: Is it leaking from the vacuum breaker (cap on top)?
Step 1: Lift the float switch manually. Does the pump turn on?
Step 1: Does it bang when the washing machine stops?