Rheem GHE100-300 User Manual

Safety Information
Safety Precautions . . . . . . . . . . . . . . . . . . .3-4
Introduction
Local Installation Regulations . . . . . . . . . . 5
Water Heater Location . . . . . . . . . . . . . . . . . 5
Installation Instructions
Inspect Shipment . . . . . . . . . . . . . . . . . . . . . 5
Water Supply Connections . . . . . . . . . . . . . 6
Gas Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical Installation . . . . . . . . . . . . . . . . . . . . 8
Vent Installation . . . . . . . . . . . . . . . . . . . .9-21
Installation Checklist . . . . . . . . . . . . . . . . . 22
TABLE OF CONTENTS
Your safety and the safety of others are very impor-
tant. There are many important safety messages
in this manual and on your appliance. Always read
and obey all safety messages.
!
This is the safety alert symbol. Recognize this symbol as
an indication of Important Safety Information! This sym-
bol alerts you to potential hazards that can kill or hurt you
and others.
All safety messages will follow the safety alert sym-
bol and either the word “DANGER”, “WARNING”,
“CAUTION” or “NOTICE”.
These words mean:
!
DANGER
An imminently hazardous
situation that will result in
death or serious injury.
!
WARNING
A potentially hazardous situ-
ation that could result in
death or serious injury and/
or damage to property.
!
CAUTION
 
A potentially hazardous situ-
ation that may result in minor
or moderate injury.
Notice:  
Attention is called to observe
a specified procedure or
maintain a specific condition.
READ THE SAFETY INFORMATION
2
Operating Instructions
Lighting Instructions . . . . . . . . . . . . . . . . . 23
Water Temperature . . . . . . . . . . . . . . . . . . . 24
Emergency Shut Down . . . . . . . . . . . . . . . 24
User Interface . . . . . . . . . . . . . . . . . . . . .25-26
Troubleshooting
Before You Call For Service . . . . . . . . 28- 29
Customer Service
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . 31
How to Obtain Service Assistance . . . . . 32
Care and Cleaning
Pressure Switch Inspection . . . . . . . . . . . 27
Venting Inspection . . . . . . . . . . . . . . . . . . . 27
Routine Maintenance . . . . . . . . . . . . . . . . . . 27
Anode Inspection . . . . . . . . . . . . . . . . . . . . 27
Seasonal Operation . . . . . . . . . . . . . . . . . . 27

Rheem GHE100-300 Specifications

General

Brand	Rheem
Model	GHE100-300
Category	Water Heater
Language	English