Do I Need An Expansion Tank On My Water Heater

The answer is no because these models don t need it.

Do i need an expansion tank on my water heater. Why do you need a thermal expansion tank. In fact some manufacturers may void your water heater warranty if you have a closed plumbing system without an expansion tank. If you have more than one heater on the same or connected system you can either have an expansion tank for each heater or a single larger expansion tank. However they can really be installed anywhere on the cold water line prior to entry into the water heater.

The expansion tank serves as a backup system to prevent overworking your plumbing. Having an expansion tank helps prevent dripping faucets and running toilets by keeping the extra built up pressure in the system from reaching the fixtures and prematurely damaging them. The excess water volume instead of causing too much pressure on the plumbing rushes into the expansion tank and lowers the pressure in the water heater to safer levels. If your local city codes require you to have an expansion tank.

This ultimately protects it from damage. You need a thermal expansion solution that is adequately sized for your plumbing system. Whether or not your water heater requires a hot water tank expansion tank to operate depends on what type of plumbing system you have. A water heater expansion tank does not contain water on a regular basis rather it stores the excess water that overflows from the main tank.

If you have a closed system. You can help to prevent this extra expense by having an expansion tank installed. For instance if you use a regular storage heater you will need to purchase an expansion tank. Signs that you need a water heater expansion tank.

Using an expansion tank depends on the type of water heater in your home or business. Now that you know why you need an expansion tank let s look at how to tell if you have a closed plumbing system. If you want your water heater to last as long as. The expansion tank gives the excess hot water a place to flow into eliminating unnecessary stress on your hot water heater and saving you from inconsistent hot water pressure.

If you re using a traditional tank type water heater not having a thermal expansion tank might be risky. Expansion tanks are normally installed above the water heater on the cold water line before it enters the water heater. Because it reduces pressure an expansion tank prolongs the life of your water heater. One 50 gallon water heater for instance can be served by a 2 gallon expansion tank.

But for those that keep asking do i need an expansion tank for my tankless water heater. As the water in your hot water heater gets hotter and hotter it expands let s say a 40 gallon tank has a water temperature that is curently at 90 degrees faherenheit when that water is heated to 140 degrees fahrenheit it will expand by almost one half gallon.