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Rheem Water Heaters

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Rheem Water Heaters

Rheem Manufacturing produces three types of water heaters: tank, solar, and tankless. Rheem water heaters are available in many different models within these categories. Commercial and residential water heaters are offered by Rheem. Water heaters were one of Rheem's earliest products, dating back to the 1930's.

Rheem Tank Water Heaters (Electric)

Rheem offers electric tank water heaters for commercial applications, as well as residential purposes. Homeowners can also choose a hybrid electric water heater. The hybrid uses heat pump technology to operate with less energy than a traditional electric water heater. Rheem claims that the hybrid model can save consumers half of what they usually pay to heat water.

Eight series of water heaters are available in the regular electric tank category. The Marathon series is manufactured to have a seamless casing; therefore, these models will not rust or corrode. The Point-of-Use series is designed to fit in small areas and can be purchased in sizes up to thirty gallons.

Rheem Tank Water Heaters (Gas)

Rheem creates seventeen series of gas water heaters. The gas products come with a variety of options and in various sizes. Many have sensors that detect if the water heater is emitting flammable vapor. The Power Vent series offers options to vent the water heater outside. The Warrior series consists of smaller models that are specifically produced for manufactured housing.

Rheem Solar Water Heaters

Seven different solar series are manufactured by Rheem. A solar water heater heats water through energy collected by roof panels. Energy costs for water heating can be cut by fifty to ninety percent, depending on the customer's location. Local, state, and federal incentives and rebates may be available when a consumer purchases a solar water heater. The Sol-Pak series is an active heating system; the Solaraide Passive Solar System series is a closed loop system

Rheem Tankless Water Heaters

The Rheem Prestige tankless gas water heater provides hot water for busy families and also those with larger luxurious baths that require a great deal of water. Tankless water heaters only heat water when there is a demand; they do not store hot water. In this manner they can save consumers money.

Rheem offers a mid-efficiency tankless gas water heater line and a tankless electric series. The electric models are recommended for smaller applications. Commercial tankless water heaters are also available from Rheem.

Homeowner Resources

Rheem provides information about how water heaters actually work and how to choose a new one on their company website. Safety advice for a hot water leak is covered, as well as a guide to selecting the proper size water heater.


Rheem warranties vary slightly by the model and type of water heater. The hybrid electric water heater offers a ten-year limited warranty on the tank and parts. The Marathon electric comes with a limited lifetime guarantee on the tank and a six-year limited parts guarantee.

The Point-of-Use electric series provides a six year warranty on both the tank and parts. The Solar-Pak solar model warranties cover the tank for six years and the collector for ten years. A six year parts and tank warranty is part of the deal for the Power Vent series gas water heater. The heat exchanger on the Prestige tankless model is guaranteed for twelve years.

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