Fix the problem that no hot water for shower

Description

• The kitchen is closer to the water heater than the bathroom in my house and the hot water is only existed in the kitchen.

Repair

• Disintegrate the faucet and clean it. The video about how to disintegrate the faucet is at the top of this article.
• Decrease the water flow rate of the water heater. This is the most important part.
• Increase the fire power of the water heater.