Rheem Professional Classic Plus Series: Atmospheric Use and Care Manual download pdf (Page 4)

Time/Temperature Relationship in Scalds

Water Temperature Time To Produce a Serious Burn

120°F (49°C) More than 5 minutes

125°F (52°C) 1

/2 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 (66°C) About 1

2 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 (49°C) or lower

gas control (thermostat) setting to prevent contact with

“HOT” water.

Maximum water temperatures occur just after the

burner has shut off. To find water temperature being

delivered, turn on a hot water faucet and place a

thermometer in the water stream and read the

thermometer.(See page 17 and 18 for more details.)

The temperature of the water in the heater can be

regulated by setting the temperature dial on the front

of the gas control (thermostat). To comply with

safety regulations the gas control (thermostat) was

set at its lowest setting

before the water heater

was shipped from the

factory.

The illustration at the left

details the approximate

water temperature

for each mark on the Gas

Control (Thermostat)

Temperature Dial.

DANGER: Hotter water increases the potential for

Hot Water SCALDS.

DANGER

HOT

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.

BURN

DANGER!

WATER TEMPERATURE SETTING

Safety and energy conservation are factors to be considered when selecting the water

temperature setting of a water heater’s gas control. Water temperatures above 125°F (52°C)

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.

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

local plumbing authority for further information.

WARNING

READ ALL INSTRUCTIONS

BEFORE LIGHTING

130°F

(54°C)

120°F

(49°C)

140°F

(60°C)

150°F

(66°C)

160°F

(71°C)

110°F

(43°C)

100°F

(38°C)

90°F

(32°C)

80°F

(27°C)

70°F

(21°C)

60°F

(16°C)

IMPORTANT SAFETY INFORMATION.

READ ALL INSTRUCTIONS BEFORE USING.

Temperatures are approximate

1 2 3 4 5 6 7 8 9 ... 23 24

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Rheem Professional Classic Plus Series: Atmospheric Use and Care Manual Page 4

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