Hot and cold water lines reversed

What does 13 mean?

The hot and cold water supply lines to the water heater appear to be connected incorrectly. This can cause no hot water or improper operation.

• Incorrect installation of water pipes
• Plumbing lines were accidentally swapped

Click steps to track your progress.

1. 1

   Verify the hot water outlet pipe and cold water inlet pipe connections.

2. 2

   If they are reversed, carefully shut off the water supply and correct the connections.

3. 3

   If unsure, consult a qualified plumber or service technician.