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19

Water Temperature

Time To Produce a Serious Burn

120°F

More than 5 minutes

125°F

1

1

/

2

to 2 minutes

130°F

About 30 seconds

135°F

About 10 seconds

140°F

Less than 5 seconds

145°F

Less than 3 seconds

150°F

About 1

1

/

2

seconds

155°F

About 1 second

Table courtesy of Shriners Burn Institute

Time/Temperature Relationship in Scalds

DANGER:  Hotter water

increases the Potential 
for Hot Water SCALDS.
Households with small
children, disabled, or elderly
persons may require a 120°F.
or lower gas control
(thermostat) setting to
prevent contact with HOT
water.

Water Temperature Setting

The temperature of the water in the water
heater can be regulated by setting the
temperature dial on the front of the gas
control (thermostat).

Safety and energy conservation are
factors to be considered when selecting
the water temperature setting of the
water heater’s gas control
(thermostat(s)). The lower the
temperature setting, the greater the
savings in energy and operating costs.

To comply with safety regulations the gas
control (thermostat) was factory set at
120°F. or less where local codes require.
This is the recommended starting point.

Water temperatures above 125°F. 
can cause severe burns or death from
scalding. Be sure to read and follow the
warnings outlined in this manual and on
the label on the water heater. This label is
located on the water heater near the gas
control (thermostat) access panel.

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.

The chart below may be used as a guide in
determining the proper water temperature
for your home.

Burner Adjustment

The natural gas and liquified petroleum
(LP) gas water heaters, equipped with the
sheet metal burner, do not require
adjustment. The natural gas and liquified
petroleum (LP) gas water heater equipped
with the cast iron burner, however, does
require primary air adjustment at the
time of installation.

An air shutter is located at the air
opening end of the burner. 

To adjust the burner, loosen air shutter
screw and close to soften flame and open
shutter to sharpen the flame. 

The proper flame should be soft blue, not
yellow or with a hard blue center. 

Final air adjustment should be made after
5 minutes of continuous burning.

Adjustments

The thermostatic gas valve is equipped for
total regulation of the main burner and
pilot gas pressures and does not require
adjustment.

Safety Instructions

Installation Instructions

Operating Instructions

Care and Cleaning

T

roubleshooting Tips

Customer Service

Summary of Contents for GG75T06ASK

Page 1: ...al injury or death Model GG Series The purpose of this manual is twofold one to provide the installer with basic directions and recommendations for the proper installation and adjustment of the water...

Page 2: ...on a label on the appliance Staple sales slip or cancelled check here Proof of the original purchase date is needed to obtain service under the warranty IMPORTANT Fill out and return the Consumer Pro...

Page 3: ...HE WATER HEATER Gasoline as well as other flammable materials and liquids adhesives solvents etc and the vapors they produce are extremely dangerous Do not handle use or store gasoline or other flamma...

Page 4: ...ER Hotter water increases the Potential for Hot Water SCALDS D A N G E R HOT Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at hig...

Page 5: ...ed by federal state and or local laws rules regulations or customs LP gas must be used with great caution It is heavier than air and will collect first in lower areas making it hard to detect at nose...

Page 6: ...d to a qualified technician SAFETY PRECAUTIONS IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING WARNING For your safety the information in this manual must be followed to minimize the r...

Page 7: ...its must comply with local codes The water heater must be located so it is not subject to physical damage for example by moving vehicles area flooding etc The water heater should be installed as close...

Page 8: ...mbustion and ventilation air supplied from outdoors or a freely ventilated attic or crawl space If air is supplied from outdoors directly or through vertical ducts there must be two openings located a...

Page 9: ...shion built in that compresses as the system pressure increases thereby relieving the over pressure condition and eliminating the repeated operation of the relief valve Other methods of controlling th...

Page 10: ...nd of the discharge line should not be threaded or concealed and should be protected from freezing No valve of any type restriction or reducer coupling should be installed in the discharge line To Fil...

Page 11: ...sting the Gas Supply System The water heater and its manual gas shut off valve must be disconnected from the gas supply piping system during any high pressure testing of that system at pressures in ex...

Page 12: ...energy saving devices may shorten the life of the water heater and may endanger life and property The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such...

Page 13: ...ments Heat Traps For increased energy efficiency some water heaters have been supplied with factory installed 3 4 NPT heat traps in the hot outlet line and cold water inlet line These heat traps may r...

Page 14: ...clear of the base of the heater Gas Supply Gas line equipped with shut off valve union and sediment trap Approved pipe joint compound used Soap and water solution used to check all connections and fi...

Page 15: ...l and take precedent over these instructions Tee fitting for vertical hot water supply lines Combination Potable and Space Heating Application Tee fitting must be installed as shown This insures that...

Page 16: ...s printed in this manual Failure to do so can result in unsafe operation of the water heater resulting in property damage bodily injury or death Should you have any problems reading or following the i...

Page 17: ...Failure to do so can result in unsafe operation of the water heater resulting in property damage bodily injury or death Should you have any problems reading or following the instructions in this manu...

Page 18: ...must be used open doors and windows for ventilation and all gas burning appliances in the vicinity should be shut off including their pilot lights to avoid vapors lighting NOTICE Flammable vapors may...

Page 19: ...sure to read and follow the warnings outlined in this manual and on the label on the water heater This label is located on the water heater near the gas control thermostat access panel Mixing valves...

Page 20: ...ays supervise young children or others who are incapacitated The gas control thermostat is constructed with a built in safety shut off device designed to shut off the gas supply to the burner if the p...

Page 21: ...he water It is therefore not uncommon for hard water deposits to accumulate in the bottom of the tank If allowed to accumulate these solids can cover the gas control thermostat sensors causing the sen...

Page 22: ...erformed only by qualified service personnel Figure A Main burner and pilot flame pattern Cast iron burner Figure B Main burner and pilot flame pattern Sheet metal burner Care and cleaning of the wate...

Page 23: ...ction of this the pilot correctly positioned manual Pilot orifice clogged The pilot should be cleaned or replaced by a qualified service technician Pilot tube pinched or The pilot should be cleaned re...

Page 24: ...t for the water heater to recover after an abnormal no hot water exceeded the capacity demand of the water heater Low gas pressure Check gas supply pressure and manifold pressure The pilot may be out...

Page 25: ...onnel Draft hood Drain valve shroud Burner supply tube Inner door Flue baffle hanger Anode rod Flue baffle collar Flue baffle Dip tube Dip tube gasket Pilot supply tube Thermocouple Piezo Ignitor Stri...

Page 26: ...ntacting the manufacturer the following information will be requested Model and serial number of the water heater as shown on the rating plate attached to the jacket of the heater Address where the wa...

Page 27: ...27 Rheem Manufacturing Company Warranty Registration Department P O Box 34070 Louisville KY 40232 4070 Please place in envelope and mail to Cut here Cut here...

Page 28: ...Mr Ms Mrs Miss Street Address City State Date Placed In Use Month Day Year Zip Code Apt Last Name Phone Number _ _ Complete and mail this Consumer Product Ownership Registration today After mailing th...

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