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GSW G650SDEB series - User Manual

GSW G650SDEB series
40 pages
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1
This water heater complies with ANSI Z21.10.1-current
edition / CSA 4.1-current edition regarding the accidental
or unintended ignition of ammable vapors, such as those
emitted by gasoline.
For Your Safety
AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
• Safety Instructions
• Installation
• Operation
FVIR
GAS WATER HEATER
(FLAMMABLE VAPOR IGNITION RESISTANT)
FOR SPACE HEATING AND POTABLE WATER HEATING ONLY.
NOT FOR USE IN MOBILE HOMES.
PRINTED IN THE U.S.A. 0913 PART NO. 325694-001
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED.
IF YOU ARE UNSUCCESSFUL, CONTACT RESIDENTIAL TECHNICAL ASSISTANCE AT 1-800-479-8324 or WWW.GSW-WH.COM.
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch;
do not use any phone in your
building.
Immediately call your gas supplier
from a neighbors phone. Follow the
gas suppliers instructions.
If you cannot reach your gas
supplier, call the fire department.
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury or death.
RESIDENTIAL GAS WATER HEATERS
Installation Instructions and Use & Care Guide
INSTALLER:
AFFIX THESE INSTRUCTIONS TO OR ADJACENT
TO THE WATER HEATER.
OWNER:
RETAIN THESE INSTRUCTIONS AND WARRANTY
FOR FUTURE REFERENCE. RETAIN THE
ORIGINAL RECEIPT AS PROOF OF PURCHASE.
WARNING: Gas leaks can not always be detected by
smell.
Gas suppliers recommend that you use a gas detector
approved by UL or CSA.
For more information, contact the your gas supplier.
If a gas leak is detected, follow the “WHAT TO DO IF YOU
SMELL GAS” instructions.
Care and Maintenance
• Troubleshooting
• Parts List
CANADIAN MANUAL

Table of Contents

Questions and Answers

  • J
    Jennifer DunnJul 31, 2025
    What to do if the burner won't ignite on my GSW G650SDEB?
    • A
      Andrea HicksJul 31, 2025
      If the burner on your GSW Water Heater won't ignite, start by lighting the pilot. If that doesn't work, make sure the thermostat is set to the desired temperature. A clogged main burner line could be the problem, so try cleaning it. If none of these steps work, the thermostat may be faulty and require testing of the Gas Control Valve/Thermostat. Also, inspect and clean the Base-Ring Filter if it's blocked with lint or dust. Make sure that you provide fresh air ventilation if the heater installed in a confined area. Finally, check if the FVIR Flame Arrestor is blocked with lint/dust and clean it.
  • J
    James JacksonAug 14, 2025
    Why won't the burner ignite on my GSW G650SDEB Water Heater?
    • M
      megantorresAug 14, 2025
      If the burner on your GSW Water Heater won't ignite, there are several possible causes. First, check if the pilot light is lit and light it if necessary. Ensure the thermostat isn't set too low; adjust it to your desired temperature. A clogged main burner line could also be the culprit, so clean it and identify the cause. If the thermostat is non-functioning, test the Gas Control Valve/Thermostat. Also, inspect and clean the Base-Ring Filter if it's blocked with lint or dust, and ensure the heater has adequate fresh air ventilation if it's installed in a confined space. Finally, check if the FVIR Flame Arrestor is blocked with lint/dust and clean it.

Summary

SAFE INSTALLATION, USE AND SERVICE

Safety Precautions

General warnings and precautions for safe operation of the water heater.

INSTALLING YOUR GAS WATER HEATER

Location Requirements

Site Location

Guidance on selecting an appropriate and safe location for the water heater installation.

GAS SUPPLY

Gas Requirements

Information on gas type, odorant, and rating plate verification for safe operation.

COMBUSTION AIR & VENTILATION

WATER SYSTEM PIPING

Temperature and Pressure Relief Valve

IMPORTANT INFORMATION ABOUT THIS WATER HEATER

OPERATING YOUR WATER HEATER

Lighting Instructions

Step-by-step guide for safely lighting the pilot and main burner.

Water Temperature Regulation

MAINTENANCE OF YOUR WATER HEATER

TROUBLESHOOTING CHART

PILOT LIGHT TROUBLESHOOTING FLOWCHART

STATUS LIGHT AND DIAGNOSTIC CODE TROUBLESHOOTING CHART

LIMITED WARRANTY

GSW G650SDEB series Specifications

General IconGeneral
BrandGSW
ModelG650SDEB series
CategoryWater Heater
LanguageEnglish

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