Gas Water Heater Expansion Tank Replacement

What type of water heater do you have.

Gas water heater expansion tank replacement.

If you have a tankless water heater you don t have to worry about an expansion tank because you don t have a primary tank to begin with. Open a hot water faucet and drain the water from the tank. Just follow the steps below to safely replace your water heater expansion tank. However if you have a traditional tank style water heater you will most definitely need to consider if an.

How much does a water heater permit cost. Replacing your water heater expansion tank by yourself can save you a lot of money and time. The expansion tank s purpose is to protect your house s hot water system from excessive pressure which can cause damage to fixtures your water heater lines and or fittings. A water heater expansion tank is an additional small thank that is attached to your water heater unit.

Pressurized air goes below the diaphragm in the bottom half of the tank and water flows in and out of the top half of the tank. You re only looking at 20 to 100 out of pocket as opposed to several hundred dollars to call in a plumber. If you have a gas water heater remove the flue pipe while the water is draining. So when the water pressure gets too high it will flow into your expansion tank instead of damaging your home s plumbing valves fixtures and joints and potentially causing a burst line with immeasurable damages and cost.

Without it you would be at risk for damage to your water lines fittings and water heater. Once the h2o is gone it s time to disconnect the water heater from the hot and cold pipes. The first permit is for the water heater itself. Expansion tanks are installed down the line from the inlet valve that supplies the water heater in your home.

An expansion tank is used to prevent issues related to excess pressure from your home s hot water supply. In addition to their compact space saving design tankless water heaters can reduce your energy consumption by 30 40 percent compared to conventional tank based units and last 20 years or more. This may seem like an easy question but it is also one that many people do not actively think about. It is designed to handle that excess water that builds up.

With the right tools and this guide you will be able to replace the expansion tank on your water heater without calling a professional plumber. Thus procedure allows you to replace the expansion tank without draining the entire house o. Tankless water heater systems provide a continuous flow of hot water on demand without the use of a storage tank. This is as easy as heading down to the local planning or building department to ask for one.

Inside the tank has a rubber diaphragm at around the mid point of the tank.