Extreme Veteran
Posts: 448
![100](https://horsetrailerworld.com/forum/images/decorations/multiple/100.gif) ![100](https://horsetrailerworld.com/forum/images/decorations/multiple/100.gif) ![100](https://horsetrailerworld.com/forum/images/decorations/multiple/100.gif) ![100](https://horsetrailerworld.com/forum/images/decorations/multiple/100.gif) ![25](https://horsetrailerworld.com/forum/images/decorations/multiple/25.gif) Location: Los Angeles, Ca. | normal...should stop after a bit. if excessive, replace the relief valve.
As the water heats up, it expands and if no hot water tap is open, the relief valve prevents too much pressure from building up, |