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