Electric Water Heater Expansion Tank Installation

When your water thermally expands a water heater expansion tank prevents unwanted increases in pressure.

Electric water heater expansion tank installation.

Check the water pressure in your home. Check the pressure of air inside the thermal expansion tank. Expansion tanks some systems are considered. Bottom board electric water heaters require insulation when placed in an unheated area to prevent heat loss.

How to install water heater expansion tank in 10 steps step 1. The pressure should be equal to the maximum water pressure in your home. The tank has two sections that are separated by a rubber valve. How to install a thermal expansion tank instructions.

How to install an expansion tank on a water heater step 1. Water expands by roughly 2 as it heats up from 50 f to 120 f. 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. The expansion tank is usually installed horizontally though it is acceptable to install it vertically if it is necessary because of space limitations.

Disconnect the water and power supply turn off the water supply to your water heater. Determine the size of water heater expansion tank you will need. For housing an expansion tank of 2 to 5 gallons is. Determine the size of your thermal expansion tank.

A 5 gallon expansion tank is needed for water heaters up to 100 gallons. Determine the water pressure. A 2 gallon expansion tank works with water heaters up to 50 gallons. It should be close to 50 psi.

Water heater installation code requirements. Bottom boards are a buffer made of r 10 or better thermal resistant material that increase the efficiency of your electric heater. How to install water heater expansion tank step 1. An expansion tank is generally installed directly above the water heater by means of a tee fitting installed in the cold water delivery pipe.

Locate the cold water supply line and determine which part of it runs horizontal side by side to the water. The expansion tank installs to the cold water supply line near above your water heater. You install the expansion tank down the line from the inlet valve that sends hot water into your home. Check the manufacturer s recommendations for exact sizing.