Water Heater Thermal Expansion Tank Installation

Check the pressure of air inside the thermal expansion tank.

Water heater thermal expansion tank installation. The tank has two sections that are separated by a rubber valve. Obtain a suitable thermal expansion tank based on the size of your water heater. When your water thermally expands a water heater expansion tank prevents unwanted increases in pressure. Water expands by roughly 2 as it heats up from 50 f to 120 f.

How to install an expansion tank on a water heater step 1. If it is higher than 80 psi install the pressure. An expansion tank is generally installed directly above the water heater by means of a tee fitting installed in the cold water delivery pipe. For housing an expansion tank of 2 to 5 gallons is.

Thermal expansion tank installation step by step. Before starting installation it is essential to determine the water pressure at. Determine the water pressure. Locate the cold water supply line and determine which part of it runs horizontal side by side to the water.

How to install water heater expansion tank step 1. Expansion tanks aka thermal expansion tanks are essentially safety devices to help you minimize the risk of damage to your hot water tank they are an add on to your existing hot water heater and are often installed on the water supply pipe to the water heater normally this is on the wall next to or very close by your hot water tank. Turn off power to the water heater and or shut off the gas by turning the valve to the closed position the handle will. The pressure should be equal to the maximum water pressure.

How to install water heater expansion tank in 10 steps step 1. You install the expansion tank down the line from the inlet valve that sends hot water into your home. Have a bucket handy to catch any water left in the. The expansion tank is usually installed horizontally though it is acceptable to install it vertically if it is necessary because of space limitations.

If your unit is fixed to a supply line with a shut off valve switch off the water flow from the supply line to your building. Turn off the water and open a spigot to take water pressure off the line. Determine the size of your thermal expansion tank. Determine the size of water heater expansion tank you will need.

Read the pressure requirement on the side of the tank. Disconnect the water and power supply turn off the water supply to your water heater. It should be close to 50 psi.