Why does a water heater have to be elevated

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.

Does water heater need to be raised?

Water heaters only need to be raised (per code) if they are using an ignitable fuel source (gas, propane, etc). And even then, the code is that the ignition mechanism is what needs to be raised. If your water heater is electric or a heat pump, no need to raise it per code.

Can hot water heaters be laid down?

In certain situations, the hot water heater may need to be laid on its side. If the hot water heater is not properly moved while in a horizontal position, the metal casing could become damaged or the glass lining could crack.

Should an electric water heater be raised off the floor?

It is not necessary for electric water heaters or 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.

Does the height of a water heater matter?

The major differences are height, gallon capacity and required height for plumbing connections. Tall water heaters range are about 16 inches taller, can hold up to 50 more gallons of water and require 10 inches more height for plumbing connections. Other than that, there is no distinguishable difference in performance.

Can a water heater be on the ground?

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.

How high does a water heater have to be off the ground?

According to the Uniform Plumbing Code, a natural gas tank water heater should be installed at least 18 inches from the ground.

Do FVIR water heaters need to be elevated?

jolson8: Most gas water heaters in the 30-50 gallon range sold/manufactured in America since 2003 are FVIR (flammable Vapor Ignition Resistant) By 2005, all sold are FVIR. If a water heater is FVIR, it does not have to be elevated when installed in the garage.

Why is my water heater on a pedestal?

If that answer is correct, the reason is to elevate the source of ignition to a level high enough that it reduces the chance of igniting flammable gases that may be in the area. If your water heater is located in a garage, since gasoline fumes sink, raising it off the floor makes really good sense.

How do I raise my hot water heater?

1. Start by turning off power to the water heater at the circuit breaker.
2. Find the access panel for the thermostat(s) and use a screwdriver to remove the panel.
3. Peel back the insulation.
4. Use a flathead screwdriver to adjust the thermostat up or down.

Article first time published on

Do water heaters have to be transported upright?

Transporting a hot water heater can be done safely without damaging the tank. It must be kept upright at all times to avoid damage to the internal liner. … It should be securely strapped into an appropriate vehicle when in transport so it cannot move.

Can you haul a new water heater on its side?

The water heater needs to sit vertical (if possible) to avoid damage to the glass liner inside the water heater to avoid damage to the glass liner. If you must lay the water heater on its side, make sure the water heater has ample padding, and drive cautiously to reduce the chance of damage.

Where should a hot water heater be located?

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. You will want to place your water heater next to an outer wall to make room for the flue.

How do I know if my water heater is tall or short?

Look for a sticker on the side of your water heater. It should have the serial number and other information as well as the gallon capacity listed. This is the capacity of your water heater. Using a tape measure, measure the height of your water heater from its base to the top.

Is a tall or short water heater better?

Short Water Heaters Are Energy Efficient In comparison to tall water heaters, the short ones are almost 40% more energy efficient. Opting for appliances with higher energy efficiency ratings is always a wise choice. Low energy consumption will result in low energy costs and help you save some money.

How tall is a 40 gallon tall water heater?

Assembled DimensionsDiameter18″Product Depth18Product Height58.25Product Weight130 Lb

Is it safe to enclose a water heater?

The short answer to whether a water heater can be enclosed is “Yes,” but there are some important things to consider when placing a hot water heater in an enclosed area, whether the unit is gas or electric. Any hot water heater must be installed in such a way as to prevent spills and allow easy access to controls.

Can water heater be in garage?

Water heaters having an ignition source shall be elevated so that the source of ignition is not less than 18” above the garage floor. … Because the vapors from these liquids are heavier than air, they concentrate just above floor level, posing an explosion hazard in garages with a water heater.

What is hot water heater expansion tank?

A water heater expansion tank is another small tank that is attached to the water supply pipe of the water heater. The expansion tank is designed to handle the thermal expansion of water as it heats up in the water heater, preventing excessive water pressure.

Does a gas water heater need to be grounded?

With your plumbing system, as a whole, metal pipes are required to be grounded – usually by the cold water inlet pipe. The placement of the water heater can create a break between the cold and hot water pipes.

Does an electric water heater have an ignition source?

Electric does not need to raised because there is no ignition source. According to the above, it does need to be raised. The “ignition source” is required to be raised 18 inches above the garage floor.

What is FVIR certified?

An Innovation in Fire Safety Residential water heaters manufactured after 2003 are “F.V.I.R.” (Flammable Vapor Ignition Resistant) compliant. For the most part, this means that the combustion chamber is now sealed.

How far does a water heater have to be from a wall?

Water heaters must be surrounded by a certain amount of clearance, or air space, to function properly and safely. A clearance area of 12 inches is required on all sides of a hot water heater.

Can you lay a heat pump water heater on its side?

The water heaters must not be placed on the floor. It needs to be transported and stored upright.

Can you lay a water softener on its side?

The water softener must be in an “upright position” when you are transporting it, or only moving it across the room. Furthermore, do not lay the softener on its side because this will damage the control head, covers, or tanks.

Can a Rheem hybrid water heater be transported on its side?

They cannot be transported laying down on their side. Must be kept upright.

How do I dispose of an old water heater?

If they are working or repairable, you can sell them, donate them to charity or give them away on freecycle. If they are no longer viable, contact your local council to find out if they hold whitegoods clean-up days. Some councils charge a fee for this service, others are free.

How much does a 50 gallon water heater weigh?

50-gallon water heaters weigh an average of 140 pounds. 80-gallon water heaters weigh an average of 200 pounds.

Why are water heaters kept in the basement instead of the attic?

Water heaters that are installed in attics or elsewhere upstairs increase the risk of leaks and water damage. Since most Texas homes lack a proper basement, it is standard practice to install water heaters in the attic – somewhere where it’s out of sight.

How many showers can you have in a 40 gallon tank?

A 40-gallon water heater can provide up to 2 showers in an hour (if you’re not using any other water appliances).

How tall is a 50 gallon hot water heater?

The Rheem Performance Platinum Gas Water Heater (50 Gallon) has an overall height of 50.5” (128.3 cm) and diameter of 23.75” (60.3 cm). The Rheem Performance Platinum Gas Water Heater (50 Gallon) weighs 160 lb (72.6 kg) and has a tank capacity of 50 gal (189 L).