A 5 gallon expansion tank is needed for water heaters up to 100 gallons.
Electric water heater expansion tank installation.
Water heater installation code requirements.
How to install an expansion tank on a water heater step 1.
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.
Check the water pressure in your home.
It should be close to 50 psi.
Check the manufacturer s recommendations for exact sizing.
Check the pressure of air inside the thermal expansion tank.
Disconnect the water and power supply turn off the water supply to your water heater.
Water expands by roughly 2 as it heats up from 50 f to 120 f.
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.
Bottom boards are a buffer made of r 10 or better thermal resistant material that increase the efficiency of your electric heater.
A 2 gallon expansion tank works with water heaters up to 50 gallons.
Determine the size of water heater expansion tank you will need.
The expansion tank is usually installed horizontally though it is acceptable to install it vertically if it is necessary because of space limitations.
Locate the cold water supply line and determine which part of it runs horizontal side by side to the water.
For housing an expansion tank of 2 to 5 gallons is.
Determine the water pressure.
How to install water heater expansion tank step 1.
The expansion tank installs to the cold water supply line near above your water heater.
Before starting installation it is essential to determine the water pressure at.
How to install a thermal expansion tank instructions.
If it is higher than 80 psi install the pressure reducing valve.
Determine the size of your thermal expansion tank.
When your water thermally expands a water heater expansion tank prevents unwanted increases in pressure.
Bottom board electric water heaters require insulation when placed in an unheated area to prevent heat loss.
Expansion tanks some systems are considered.
The tank has two sections that are separated by a rubber valve.