Water expands by roughly 2 as it heats up from 50 f to 120 f.
Water heater thermal expansion tank installation.
Check the pressure of air inside the thermal expansion tank.
When your water thermally expands a water heater expansion tank prevents unwanted increases in pressure.
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.
If it is higher than 80 psi install the pressure.
Locate the cold water supply line and determine which part of it runs horizontal side by side to the water.
The expansion tank is usually installed horizontally though it is acceptable to install it vertically if it is necessary because of space limitations.
The tank has two sections that are separated by a rubber valve.
For housing an expansion tank of 2 to 5 gallons is.
How to install an expansion tank on a water heater step 1.
How to install water heater expansion tank in 10 steps step 1.
Turn off the water and open a spigot to take water pressure off the line.
Thermal expansion tank installation step by step.
An expansion tank is generally installed directly above the water heater by means of a tee fitting installed in the cold water delivery pipe.
How to install water heater expansion tank step 1.
Determine the size of water heater expansion tank you will need.
It should be close to 50 psi.
The pressure should be equal to the maximum water pressure.
This is based on how many gallons of water your.
Read the pressure requirement on the side of the tank.
Determine the size of your thermal expansion 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.
Obtain a suitable thermal expansion tank based on the size of your water heater.
Before starting installation it is essential to determine the water pressure at.
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.
Disconnect the water and power supply turn off the water supply to your water heater.
Determine the water pressure.
How to install a thermal expansion tank instructions check the water pressure in your home.