Electric Water Heater Expansion Tank Installation

The expansion tank is usually installed horizontally though it is acceptable to install it vertically if it is necessary because of space limitations.

Electric water heater expansion tank installation.

An expansion tank is generally installed directly above the water heater by means of a tee fitting installed in the cold water delivery pipe. A 2 gallon expansion tank works with water heaters up to 50 gallons. How to install water heater expansion tank in 10 steps step 1. Water heater installation code requirements.

Disconnect the water and power supply turn off the water supply to your water heater. The tank has two sections that are separated by a rubber valve. Determine the size of your thermal expansion tank. A 5 gallon expansion tank is needed for water heaters up to 100 gallons.

This is based on how many gallons of water your. Expansion tanks some systems are considered. You install the expansion tank down the line from the inlet valve that sends hot water into your home. When your water thermally expands a water heater expansion tank prevents unwanted increases in pressure.

If it is higher than 80 psi install the pressure reducing valve. 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. Determine the water pressure. Check the pressure of air inside the thermal expansion tank.

Check the manufacturer s recommendations for exact sizing. Determine the size of water heater expansion tank you will need. Locate the cold water supply line and determine which part of it runs horizontal side by side to the water. The pressure should be equal to the maximum water pressure in your home.

It should be close to 50 psi. Before starting installation it is essential to determine the water pressure at. For housing an expansion tank of 2 to 5 gallons is. How to install water heater expansion tank step 1.

How to install a thermal expansion tank instructions. Bottom boards are a buffer made of r 10 or better thermal resistant material that increase the efficiency of your electric heater. The expansion tank installs to the cold water supply line near above your water heater. How to install an expansion tank on a water heater step 1.