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can a hot water heater sit on the ground

by Mr. Rollin Balistreri PhD Published 2 years ago Updated 2 years ago

Yes. You can install a water heater on the floor, but according to the Uniform Plumbing Code

Uniform Plumbing Code

Designated as an American National Standard, the Uniform Plumbing Code is a model code developed by the International Association of Plumbing and Mechanical Officials to govern the installation and inspection of plumbing systems as a means of promoting the public's health, safety and welfare.

, a water heater tank should be elevated above the ground at a minimum height of 18 inches from the ground. If gas heaters are placed on the ground they are likely to explode due to the contact of the pilot flame on the floor.

All electric water heaters can be placed directly on the floor. The reason why people still think it is necessary to elevate the water heaters is that gas water heaters without FVIR were a serious fire hazard when placed directly on the floor. In fact it was required to elevate them 18 inches from the ground.

Full Answer

Can you install a water heater on the ground?

If you intend to install a water heater outside inside a steel enclosure, it is recommended that you do not install the water heater directly on the ground. You can construct a raised wooden platform or you can purchase a steel raised water heater platform.

Where should a hot water heater be placed in a house?

General Placement. Most regulations are fairly simply, and require that water heaters be placed against an external wall of the house. This is why most hot water heaters are in garages or basements.

How far off the ground should a gas water heater be?

Measuring Up. The Uniform Plumbing Code, which establishes standards nationwide, says that the flame or sparking mechanism in a gas water heater must be at least 18 inches off the ground. This means that an accurate measurement for proper installation is not based on the distance from the bottom of the water heater to the floor.

Are water heaters required to be raised off the floor?

Are water heaters required to be raised off the floor? Only older gas water heaters located in a garage are required by the International Residential Code (IRC) and Florida Building Code (FBC M1307.3) to be elevated. It is not necessary for electric water heaters or gas water heaters manufactured after mid-2003.

Does a water heater need to be elevated off the floor?

How high should my gas water heater be off the ground? Your gas water heater should be 18 inches off of the ground, as per the National Fuel Gas Code. This is the standard for water heater installation requirements.

Do water heaters have to be on a stand?

In fact, you may be wondering if you should use a water heater stand. But do you really need one? Some water heaters require the use of a stand, but it's typically the building and plumbing codes in your area that have the final say on the matter.

Do electric water heaters have to be raised?

It is not necessary for electric water heaters, or 30 to 50-gallon gas water heaters manufactured after mid-2003. The code states that “appliances having an ignition source shall be elevated not less than 18 inches (457 mm) above the floor in garages,” and the purpose of this stipulation is fire safety.

Should I put my water heater on blocks?

The main reason you need to have your water heater placed on a hot water heater stands is to prevent fire incidents. Lifting your water heater prevents flammable fumes and vapors' from spilled gasoline or any other combustible fluid from lying on the floor in the garage.

Why elevate water heater?

The primary reason to elevate your water heater is to prevent a fire. When the water heater is placed on the floor, especially with gas water heaters, there is a risk of combustible fluid dripping to your floor. This can create an unsafe environment that can cause an explosion. Some newer models are created to have resistance to flammable vapor.

What is a conventional water heater?

A conventional water heater is the most common water heater found in homes. They are either gas or electric-powered and have a tank that stores the warm water ready to be used.

Why do you need an elevation table for a water heater?

This is one reason why an elevation table is helpful; however, if the floor is not level, you will need to shim the base of the water heater. This will enable the water or the gas, if warranted, to flow correctly without fail.

Can you put an electric water heater on the ground?

While it is okay to set an electric water heater on the ground, it’s actually better to elevate it so that you don’t run the risk of any fires, or going against code. Remember that in earthquake-prone areas, your water heater should have straps and it’s easier if the tank is affixed to the wall.

Who is Heather from DIY?

Heather is a passionate writer who loves anything DIY. Growing up, she learned everything from home repairs to design, and wants to share her tips with you. When she's not writing, she's usually hiking or searching for her next DIY project.

Do tankless water heaters have coils?

A tankless water heater does not have a tank that stores the warm water. Instead, it is equipped with coils that heat the water on-demand as you need it. It still will require some maintenance but only once a year to avoid corrosion. These tankless systems are very small and can even be mounted on a wall.

How far off the ground should a water heater be?

The Uniform Plumbing Code, which establishes standards nationwide, says that the flame or sparking mechanism in a gas water heater must be at least 18 inches off the ground. This means that an accurate measurement for proper installation is not based on the distance from the bottom of the water heater to the floor. Instead, it is based on the distance from the pilot or lighting mechanism to the ground. Codes vary by city and county and may be more strict than national standards, so check with your local officials prior to installation. In addition, some newer models of gas water heaters have combustion chambers that are completely sealed, eliminating the need for space between the ground and the ignition mechanism. In many cases, however, building codes have not caught up with this new technology and still require a minimum distance to the ground.

Why is the minimum distance required for a water heater?

For example, the minimum distance from the ground is intended to prevent fires and explosions in case a flammable substance is spilled on the floor near the water heater.

Do gas water heaters have combustion chambers?

In addition, some newer models of gas water heaters have combustion chambers that are completely sealed, eliminating the need for space between the ground and the ignition mechanism. In many cases, however, building codes have not caught up with this new technology and still require a minimum distance to the ground. av-override.

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