IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING.

DANGER!

water temperature setting

Safety and energy conservation are factors to be considered when selecting the water temperature setting of water heater. Water temperatures above 125°F can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below. This label is also located on the water heater near the thermistor access panel.

!D A N G E R

HOT

BURN

Time/Temperature Relationship in Scalds

Temperature

Time To Produce a Serious Burn

120°F (49°C)

More than 5 minutes

125°F (52°C)

1½ to 2 minutes

130°F (54°C)

About 30 seconds

135°F (57°C)

About 10 seconds

140°F (60°C)

Less than 5 seconds

145°F (63°C)

Less than 3 seconds

150°F (65°C)

About 1½ seconds

155°F (68°C)

About 1 second

Table courtesy of Shriners Burn Institute

The chart shown above may be used as a guide

in determining the proper water temperature for your home.

!DANGER: Households with small children, disabled,

or elderly persons may require a 120°F or lower thermostat setting to prevent contact with “HOT” water.

The temperature of the water in the heater is regulated by the water heater interface control. To comply with safety regulations the temperature was set at 122°F before the water heater was shipped from the factory.

Water temperature over 125°F can cause severe burns instantly or death from scalds.

Children, disabled and elderly are at highest risk of being scalded.

See instruction manual before setting temperature at water heater.

Feel water before bathing or showering.

Temperature limiting valves are available, see manual.

NOTICE: Mixing valves are available for reducing point of use water temperature by mixing hot and cold water in branch water lines. Contact a licensed plumber or the

Hotter Water

Cooler Water

CAUTIONRISK OF SCALDING INCREASES

WITH HOTTER WATER

TEMPERATURE

SETTING

OPERATION MODE

HEAT PUMP OFF

Review operating manual before use. Operating procedures are outlined in the manual for optimal performance.

Temperatures

135°-140° F

130°-135° F

125°-130° F

120°-125° F

105°-120° F

90°-105° F

The illustration at the left shows the water temperature setting.

Refer to the Operating Instructions in this manual for detailed instructions in how to adjust the water temperature.

local plumbing authority for further information.

!DANGER: Hotter water increases the potential for Hot Water SCALDS.

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Rheem AP15121-1, HP50RU, HP50RH, HP40RU, 92-103234-02 Water temperature setting, Time/Temperature Relationship in Scalds

HP50RH, HP50RU, 92-103234-02, HP40RU, AP15121-1 specifications

The Rheem AP15121-1, HP40RU, 92-103234-02, HP50RU, and HP50RH are central components in Rheem's commitment to providing high-quality water heating solutions. These models represent some of the company’s efficient and technologically advanced offerings designed to meet diverse residential and commercial water heating needs.

One of the standout features of these models is their high energy efficiency, which is critical for reducing operational costs and environmental impact. Many of these units are equipped with advanced energy-saving technologies that comply with stringent energy regulations, ensuring they operate effectively while minimizing energy consumption. For instance, some models have been certified with Energy Star ratings, which guarantees they meet high-energy efficiency standards.

The Rheem HP40RU and HP50RU units are particularly noted for their robust performance, offering capacities of 40 and 50 gallons, respectively. This makes them suitable for households with varying hot water demands, from small families to larger households. The design of these tanks allows for efficient heat retention, which means less energy is required to maintain the desired water temperature.

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In terms of safety and durability, these Rheem models are designed with advanced safety mechanisms, including automatic shut-off features and high-quality materials to prevent leaks and corrosion, prolonging the unit's lifespan. The 92-103234-02 model incorporates a professional-grade design focused on long-term reliability, which is essential for commercial environments.

Another significant characteristic of these models is their user-friendly interfaces and straightforward installation processes, which can minimize installation times and simplify maintenance. Many units come with comprehensive warranties, reflecting Rheem's confidence in their products and providing peace of mind for consumers.

Overall, the Rheem AP15121-1, HP40RU, 92-103234-02, HP50RU, and HP50RH bring a blend of efficiency, reliability, and innovative technology, making them ideal choices for anyone in the market for a durable and effective water heating solution. Whether for residential or commercial needs, these models uphold Rheem's esteemed reputation in the water heating industry.