A hot water heater does not need blocks. A hot water heater requires altitude. It prevails technique to increase the home appliance 18 inches off the flooring. Those 18 inches is the range in between the pilot burner and also the ground.

Technically, you can mount any type of device you desire that accomplishes this goal. Some hot water heater have unique stands. Others make use of bands. The examiner will not punish you as long as you boost the heating system to the proper elevation. You’re not obliged to make use of blocks.

Why Should You Boost The Hot Water Heater?

A hot water heater resting straight on the flooring is a fire danger. Suppose flammable fluids splash? Those combustible fluids can stir up, beginning a fire. This is a substantial hazard if the hot water heater beings in the garage since the space subjects the home appliance to gas and also paint thinner.

Which Water Heaters Should You Put On Blocks?

You do not need to boost every heating system. These issues put on gas heating units, especially the non-FVIR versions. FVIR represent ‘Combustible Vapor Ignition-Resistant.’ 30, 40, and also 50-gallon gas heating units in The United States and Canada are FVIR.

You can not market non-FVIR gas heating units in the dimensions stated above without bring in significant penalties and also fines. Consequently, any type of gas heating system you acquired after 2005 can practically rest straight on the ground without fretting about the pilot burner stiring up splashed fluids.

Just how Can You Identify Whether Your Hot Water Heater is FVIR Or Otherwise?

If you relocate right into a home with a hot water heater, inspect the handbook. It will certainly inform you whether the home appliance is FVIR-certified. If you can not locate the handbook (which is frequently the instance), find the design and also identification numbers on the score plate and also send them to the maker.

They will certainly determine the design and also identify its specifications. They will certainly inform you whether the gas heating system is FVIR. If you can not access the net or the maker, evaluate the heating system. If you can see the pilot burner and also light it with a suit, you have a non-FVIR heating system, which needs raising.

It deserves keeping in mind that FVIR qualification does not always excluded you from the 18-inch altitude regulation. Some makers will certainly inform you to position their gas heating units on blocks despite whether they are FVIR or otherwise.

You can overlook them if you desire. Nevertheless, do not be amazed if they invalidate your service warranty. If points fail since you declined to boost an FVIR gas heating system on blocks, lots of makers are not obliged to recognize their service warranties by offering complimentary fixings and also substitutes.

What Concerning Electric Water Heaters? Can You Place Them On Bricks?

People mostly associate blocks with gas heating units since they have a pilot burner. Electric heating units do not matter in this discussion since they do not have pilot burner. The hazard presented by splashed combustible fluids does not put on electrical heating units.

The regional authorities are much less most likely to penalize you for putting an electrical hot water heater straight on the flooring. Nevertheless, many professionals you speak with will certainly urge you to make use of blocks with your electrical heating system for 3 factors:

  • Blocks conserve power since they protect the home appliance from the cool flooring. The United States Department of Energy suggests a covering. If you position it below the heating system, it will not shed warm to the flooring, conserving as long as 9 percent (Water Home heating Power). However if you do not intend to throw away a covering, usage blocks.
  • Raising the heating system protects the tool versus flooding, particularly if the heating system beings in places like the cellar with an online reputation for flooding. The last point you desire is for a durable home appliance that works on electrical power to being in a pool of water.
  • Also if fires and also shocks are not a danger where electrical heating units are worried, blocks will stop corrosion damages.

What Does The Legislation Claim?

The legislation needs makers to market FVIR-certified gas hot water heater. You do not need to position them on blocks. However if you have a non-FVIR design, the regional code might force you to boost it.

Areas like The golden state anticipate customers to use bands to heating units to stop them from toppling throughout a quake. Inevitably, the regional code will certainly identify your reaction. Federal guidelines like the NEC can offer standards, however private states are not obliged to follow them.

You can ask regional examiners for quality. If an assessor informs you to position the heating system on blocks, you must follow them.

Safe Method Of Putting Up Hot Water Heater On Bricks

Most customers that intend to boost a gas heating system with blocks will certainly comply with these actions:

  • Organize the blocks underneath the storage tank. Attempt to produce the 18-inch range in between the pilot burner and also the ground that professionals advise.
  • Location the heating system on the blocks.
  • Insert a stud right into the wall surface behind the home appliance.
  • Usage bands to attach the hot water heater to the studs. Readjust the size up until the bands are adequately limited. Loosened bands are pointless to you.

Some individuals mortar their blocks. They do not rely on the blocks to stay steady, particularly when you position a hefty home appliance on them. Mortar permits you to include even more layers of blocks without making the entire framework a lot more unpredictable.

Usual Errors To Stay Clear Of When Mounting A Hot Water Heater On Bricks

1). Do not position the heating system on blocks when it has legs. If the legs are also brief or unpredictable, eliminate them prior to placing the heating system on a layer of blocks.

2). Do not overlook the regional code. Numerous professionals will certainly inform you to boost the home appliance by 18 inches. However if your code requires a better elevation than 18 inches, you must follow it.

3). Technically, it is risk-free to position a heating system on a completely dry concrete flooring in a place without combustible products. A completely dry concrete flooring is not likely to trigger corrosion damages in electrical heating units. That being stated, you must still boost the heating system if the code states so.

4). A layer of blocks is inadequate. Include bands to stop the heating system from toppling.

5). Take note of the top quality of the blocks. Discover a seller with a solid track record and also ask to make a suggestion, particularly if you understand absolutely nothing concerning blocks. Poor-quality blocks will ultimately split, and also the heating system will certainly drop.

6). If you’re fretted about architectural damages and also the opportunity of a leakage, mount a frying pan under the heating system.

7). Do not pile a lot of blocks. The even more blocks you pile, the a lot more unpredictable the heating system will certainly come to be. You can mortar the blocks to enhance their security.

8). See to it the heating system rises over the flooding degree of the frying pan’s edge.

Pros & & Cons Of Mounting A Hot Water Heater On Bricks


1). Blocks safeguard the heating system from floodwater. Water can increase greater than 18 inches. Nevertheless, blocks will certainly provide you the moment to get rid of the water prior to it climbs to the degree of the heating system.

2). Have you ever before attempted to evaluate all-time low of a device resting straight on the flooring? It is a difficulty. Blocks make such evaluations easier since you can see the lower.

3). If you intend to fix or clean up the hot water heater, the home appliance is less complicated to drain pipes when you boost it off the flooring. You have a lot more alternatives available. On the various other hand, entirely clearing a heating system resting on the flooring is rather difficult.

4). The blocks are energy-saving devices. They minimize the quantity of warm shed by protecting the heating system from the flooring. This makes the home appliance a lot more energy-efficient.

5). Blocks safeguard the heating system from corrosion damages.

6). Blocks stop the pilot burner in a non-FVIR home appliance from stiring up combustible fluids that splash.


1). It raises your costs. Besides acquiring a heating system, you have to likewise spend for blocks, mortar, and also bands.

2). Blocks include in the moment it requires to mount a gas hot water heater.

3). You can not rely on blocks to stand the examination of time. They can split eventually, which is awful for the heating system. It can endure extreme damages after dropping.

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