Replace Water Heater Thermal Expansion Tank

Expansion tanks are installed down the line from the inlet valve that supplies the water heater in your home.

Replace water heater thermal expansion tank.

Inside the tank has a rubber diaphragm at around the mid point of the tank. This is a great diy how to change a potable water expansion tank. Without it you would be at risk for damage to your water lines fittings and water heater. However if you have a traditional tank style water heater you will most definitely need to consider if an.

If you have more questions about water heater expansion tanks please give us a call or fill out the form below. The thermal expansion relief valve can replace a water heater expansion tank because it functions similarly. If you have more questions about water heater expansion tanks please give us a call or fill out the form below. Thus procedure allows you to replace the expansion tank without draining the entire house o.

Here s why you might need a thermal expansion tank. What type of water heater do you have. Pressurized air goes below the diaphragm in the bottom half of the tank and water flows. This water heater expansion tank stops hot water from backflowing into the cold water line and prevents hot water from escaping through the pressure relief valve and onto the floor.

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. As plumbers know the expansion tank equalizes pressure throughout the plumbing system by providing a space for hot water to flow into. In a closed plumbing system a standard tank water heater can stress your plumbing pipes and fixtures through the normal thermal expansion that happens when water is heated. Both water heaters and boilers for home heating systems can be prone to this kind of damage unless measures are taken to prevent it.

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 can often be replaced without having to replace your entire system. This can be a problem in any closed system where water is heated. For example 40 gallons of water at 60f becomes about 40 6 gallons at 120f creating significant pressure inside the water tank and pipes.

This may seem like an easy question but it is also one that many people do not actively think about. About water heater expansion tanks. Both products absorb the excess pressure in the plumbing system created by thermal expansion. Water expands when heated.

Just follow the steps below to safely replace your water heater expansion tank. 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.