RESIDENTIAL GAS AND ELECTRIC WATER HEATER

SERVICE HANDBOOK

Residential Gas – continued

Exhaust Venting Notes

Follow current National Fuel Gas Code requirements for proper installation.

“D” – Typically, same or larger diameter as Draft Hood outlet

“L” – Horizontal piping slopes upward ¼” per foot from heater to chimney or vertical vent

Length of horizontal not more than 75% of “H”

“H” – Not less than 5 feet

Maximize vertical distance to first elbow

See the “Technical Bulletins Section “ of this manual for explanations of:

Water Hammer

Mineral Buildup

Aluminum Hydroxide

Condensation

Discolored Water

Smelly Water

Chlorination Process

Lack of hot water

Thermal Expansion

Temperature and Pressure Relief Valve Operation

Parts Replacement – The parts on these models change often due to improvements/changes in the products. To order the current, correct replacement part for your model gas water heater, you must know the model number and (complete) serial number of your water heater. This information will be located on a black and white label, on the front of your water heater – this label will also display a star within a circle (the A.G.A. symbol). A sample might be:

Model “PGCG-50 – 242” “Ser No. MB99-(numbers) – 242”.

To order parts, contact your local A.O. Smith Contractor or Distributor, phone AOS parts at 800-433-2545 or contact A. O. Smith on Web site “www.hotwater.com”

A.O. Smith Water Products Company

15

Training Department

©2002

Ashland City, Tennessee

 

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A.O. Smith TC-049-R2 manual Exhaust Venting Notes
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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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