Users' questions

Do water heaters have to be elevated?

Do water heaters have to be elevated?

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. Basement water heater installation doesn’t require an 18-inch elevation, but it certainly can’t hurt.

How tall does a water heater stand need to be?

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

Do all water heaters need to be strapped in California?

The State of California requires that all water heaters must be strapped to resist motion during an earthquake. All water heaters must be strapped in at least two locations; the upper one-third of the unit and the lower one-third. The lower strap must be a minimum of 4″ above the water heater control unit.

Does California require water heaters to be double strapped?

California Plumbing Code Section 507.2 requires that all water heaters shall be supported and strapped to prevent movement during an earthquake. Two metal straps, not less than 22 gauge, nor less than 5/8-inch wide shall be used.

Does my electric water heater need to be on a stand?

Electric water heaters should be placed on a stand unless documentation is provided by the installer/manufacturer that verifies FIVR construction. Water heaters shall be located or protected so they are not subject to physical damage by a moving vehicle.

Can you put a water heater on concrete?

Electric water heaters can sit directly on the concrete floor. There is no risk of accidental ignition of spilled flammable liquids with electric water heaters. They do not have pilot lights as do their gas counterparts.

Does an electric hot water heater need to be on a stand?

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.

What states require double strap water heaters?

In addition to California and Alaska, areas of Nevada, Idaho, Wyoming, Montana, Oregon, Washington and Hawaii also fall under the Uniform Codes’ seismic zones 3 and 4, where water heaters are specifically required to be anchored.

Is it code to have a pan under hot water heater?

So, is a drain pan required under a water heater? In most cases, Yes. If your water heater is installed in an attic or ceiling space or inside the interior living space, a drain pan is required under your water heater. Drain pans are not required under the water heaters installed in garages in most states.

Why do water heaters have to be on a stand?

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.

How big of a drain do you need for a water heater in California?

The pan must be fitted with a minimum 3/4″ drain that drains to an approved location. The P/T line is not allowed to terminate at this pan or be connected to it. Combustion Air (CPC 506) Combustion air must be maintained per the California Plumbing Code.

Do you need a permit to replace a water heater in California?

A plumbing permit is required for the replacement of an existing water heater. Permits are required prior to installation or replacement of water heaters. Following are general requirements for water heater replacements based on the 2016 California Plumbing Code and the 2016 California Energy Efficiency Standards.

What are the requirements for a water heater permit?

Water Heater Permit Requirements. No part of such drain pipe shall be trapped or subject to freezing, and the terminal end of the drain shall not be threaded. When approved by the Chief Building Official, such drain may terminate at other locations (i.e. laundry tub, floor sink, or floor drain).

What are the requirements for a water heater vent?

The vent and the water heater must maintain clearance from combustible materials (such as wall framing or roofing) as required by the manufacturer, which is typically 1″ minimum. The vent shall terminate a minimum 1’ above the roof, be installed with flashing through the roof, and terminate in a listed and approved vent cap.