Electric Water Heater Expansion Tank Installation

A 5 gallon expansion tank is needed for water heaters up to 100 gallons.

Electric water heater expansion tank installation. How to install an expansion tank on a water heater step 1. The pressure should be equal to the maximum water pressure in your home. Water heater installation code requirements. Bottom board electric water heaters require insulation when placed in an unheated area to prevent heat loss.

Bottom boards are a buffer made of r 10 or better thermal resistant material that increase the efficiency of your electric heater. If it is higher than 80 psi install the pressure reducing valve. Determine the water pressure. You install the expansion tank down the line from the inlet valve that sends hot water into your home.

Determine the size of water heater expansion tank you will need. How to install water heater expansion tank step 1. A 2 gallon expansion tank works with water heaters up to 50 gallons. The tank has two sections that are separated by a rubber valve.

Check the manufacturer s recommendations for exact sizing. This is based on how many gallons of water your. For housing an expansion tank of 2 to 5 gallons is. 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.

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 in 10 steps step 1. The expansion tank installs to the cold water supply line near above your water heater. Locate the cold water supply line and determine which part of it runs horizontal side by side to the water.

How to install a thermal expansion tank instructions. Expansion tanks some systems are considered. When your water thermally expands a water heater expansion tank prevents unwanted increases in pressure. Before starting installation it is essential to determine the water pressure at.

Determine the size of your thermal expansion tank. Disconnect the water and power supply turn off the water supply to your water heater. Check the water pressure in your home. The expansion tank is usually installed horizontally though it is acceptable to install it vertically if it is necessary because of space limitations.