How To Install Electric Hot Water Heater Expansion Tank. It is recommended to install a thermal expansion tank on the cold water line, horizontally and close to the water heater. When water is heated, it expands.
Tighten both the nipple and elbow by hand and then use the pipe wrench/pliers to finish securing the connections. As water heats and expands, the expansion tank prevents pressure from causing damage. Determine the size of your thermal expansion tank.
When Water Is Heated, It Expands.
Electric license # lms17 plumbing. Do you have a tank like this mounted somewhere above your water heater? It's a water heater thermal expansion tank, and it needs to.
Water Heater Expansion Tanks Are Used On Closed Plumbing Systems.
If you are not sure, it is better to install larger sizes. Join me today as i bring a water heater up to code and show you how to install a thermal expansion tank! If you heat this amount of water to 120 degrees fahrenheit, it will expand to about 52 gallons.
Tighten Both The Nipple And Elbow By Hand And Then Use The Pipe Wrench/Pliers To Finish Securing The Connections.
When you install an expansion tank, the extra water volume created by thermal expansion automatically rushes into the expansion tank, reducing the pressure inside your water heater. Expansion tank installation on a water heater? According to the 2018 international plumbing code (ipc) section 608.3, tankless water heaters do not require a thermal expansion tank when no water storage device is used.
Today, Most Homes Have Backflow Prevention Valves Which Stop The Water In Your Home From Reentering The Water Supply.
If you will install the expansion tank vertically, mark the drilling spot on the wall. Put plumber's tape on both ends of the long nipple (approximately 12). If a tankless water heater is being used in conjunction with a tank water heater or a recirculating system that utilizes a storage.
If Your Home Has A “Closed” Plumbing System, Then Yes, You’ll Need An Expansion Tank.
If the pressure gets so high that it is in danger. In older homes, the expanded water pushed back into the water main. Installing a thermal expansion tank on an electric water heater.