Gas Water Heater Expansion Tank Installation

What type of water heater do you have.

Gas water heater expansion tank installation.

So when the water pressure gets too high it will flow into your expansion tank instead of damaging your home s plumbing valves fixtures and joints and potentially causing a burst line with immeasurable damages and cost. Common questions about installing water heater expansion tank 1. This may seem like an easy question but it is also one that many people do not actively think about. The home depot offers traditional water heater tanks and modern tankless units both powered by either gas or electricity.

2 now the question is how to install an expansion tank on a gas water heater. It is designed to handle that excess water that builds up. Understanding water heater installation code requirements can be a real pain. Find the cold water supply.

In a closed plumbing system a standard tank water heater can stress your plumbing pipes and fixtures through the normal thermal expansion that happens when water is heated. Since water is considered non compressible a much bigger problem occurs due to the extremely high water pressure and these include bulging water heater tank rupture dislocated air vent or gas and water fittings leaking and other. Determine the water pressure. And when water is heated and expands if it doesn t have an expansion tank to catch the overflow it can cause pipes to leak or even burst.

If you have a tankless water heater you don t have to worry about an expansion tank because you don t have a primary tank to begin with. Damage to your water heater is also possible. A water heater expansion tank is an additional small thank that is attached to your water heater unit. Turn off the gas.

Is it mandatory by law to install a water heater expansion tank. Most areas of the country require that water heaters either have expansion tanks or special valves that release the excess water. Yes especially if you re using a closed water supply systems. Electrical even gas water heaters have electrical parts and need to be hooked up to your breaker box.

These units ensure that water runs hot throughout your home allowing you to bathe wash dishes and do laundry with ease. Instructions new water heater 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. Expansion tanks some systems are considered closed meaning the backflow is blocked. The expansion tank is usually installed horizontally though it is acceptable to install it vertically if it is necessary because of space limitations.

1 how to install water heater expansion tank. Determine the size of your thermal expansion tank. If the water heater tank has a high pressure while working with a defective expansion tank water will drip with a tpr valve. This can be a problem in any closed system where water is heated.

However if you have a traditional tank style water heater you will most definitely need to consider if an. Turn off the water supply.