RESIDENTIAL GAS AND ELECTRIC WATER HEATER

SERVICE HANDBOOK

WHY WATER HEATER TANKS LEAK -Continued

WATER CONDITIONS

WHAT

WHY

PREVENTION

“Hard” Water

“Hard” water contains minerals.

“Flush” the sand from the tank every 6

(Gas Water

As water is heated the minerals

months.

Heaters)

separate from the water and

Delime the tank interior yearly.

 

attach to hot surfaces within the

Install a water softener in hard water

 

tank. In gas water heaters, these

areas. These should be adjusted

 

minerals “insulate” the heat

according to manufacturer’s

 

transfer surfaces conducting heat

recommendations, typically for 5 grains

 

from the burner through to the

hardness.

 

water. These surfaces become

 

 

hotter than if they were clean.

 

 

Hotter surfaces mean more

 

 

expansion and contraction of the

 

 

metal as the burner cycles on and

 

 

off. The metal or weld joints

 

 

crack.

 

“Hard” Water

See above explanation.

Inspect and clean elements as

(Electric Water

Lime (calcium) forms on the

necessary.

Heaters)

electric elements.

Add a water softener.

 

Elements become excessively hot

Install elements resistant to failure due to

 

and may split.

Lime (mineral) build up.

 

Split elements often leak to the

 

 

outside of the heater.

 

Water

Water stored at 160°F (72 °C)

Begin with a water heater setting of

Temperature

may be twice as corrosive as

120°F (49°C) and increase only as

 

water stored at 140°F (60°C)

necessary.

Usage

Each time the burner or elements

Purchasing a proper sized tank will

 

cycle on and off, a small amount

minimize burner or element operation

 

of metal expansion and

when only small quantities of hot water

 

contraction take place. As

are used.

 

bending a piece of wire back and

 

 

forth will break the wire, this

 

 

expansion and contraction will

 

 

eventually crack tank joints or

 

 

welds.

 

For more detailed explanation on this information as well as additional service information, see the A.O. Smith Web site www.hotwater.com under “Technical Information”.

0801 form TC-063

A.O. Smith Water Products Company

48

Training Department

©2002

Ashland City, Tennessee

 

Page 48 Page 50
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A.O. Smith TC-049-R2 manual Water Conditions, WHY Water Heater Tanks Leak, What WHY Prevention
Page 48 Page 50

TC-049-R2 specifications

The A.O. Smith TC-049-R2 is a highly efficient and reliable water heater designed to meet the needs of both residential and light commercial applications. This gas-fired water heater offers a perfect blend of performance, efficiency, and durability, making it a popular choice among homeowners and business owners alike.

One of the standout features of the A.O. Smith TC-049-R2 is its tankless design. Unlike traditional water heaters with storage tanks, the TC-049-R2 heats water on demand, which means you only use energy when you need hot water. This not only results in lower energy bills but also provides an endless supply of hot water, ideal for households with multiple bathrooms or high hot water demands.

The TC-049-R2 is powered by natural gas, which enhances its efficiency and operating costs. With an impressive energy factor, this water heater is designed to conserve energy without compromising on performance. The unit also boasts a high recovery rate, which means it can quickly replenish hot water, ensuring you’re never left waiting.

Another notable technology in the A.O. Smith TC-049-R2 is its advanced electronic ignition system, which provides reliable start-up and reduces the chance of pilot light issues. Additionally, the unit features a scaled-down footprint, making it suitable for installation in tighter spaces, such as closets or utility rooms, without sacrificing performance.

Durability is a key characteristic of the TC-049-R2, as it is constructed with high-quality materials designed to resist corrosion and withstand typical wear and tear. The unit is equipped with a durable heat exchanger that enhances both efficiency and longevity, ensuring many years of reliable service.

Safety features are also prioritized in the A.O. Smith TC-049-R2. It comes equipped with advanced safety controls that prevent overheating and ensure safe operation. This offers peace of mind for users, knowing that the unit has multiple safeguards in place.

Overall, the A.O. Smith TC-049-R2 is an excellent choice for those seeking an efficient, reliable, and safe water heating solution. Its combination of advanced features, innovative technology, and robust construction makes it a leader in the water heater market, providing convenience and comfort to its users for years to come.
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