Service Handbook
1206 322153-000 Rev. 00
POWER VENTED GAS MODELS
WITH HOT SURFACE IGNITION
NOT FOR USE IN MANUFACTURED (MOBILE) HOMES
RESIDENTIAL GAS WATER HEATERS
TABLE OF CONTENTS
Note: References to the Manual refer to the “Installation
and Operating Manual”.
GENERAL INFORMATION 2
CHECKING THE GAS SUPPLY PRESSURE 3
LEAKAGE CHECKPOINTS 4
TEMPERATURE ADJUSTMENT 5
ANODE ROD REMOVAL/REPLACEMENT 6
DIP TUBE REMOVAL/REPLACEMENT 7
DOOR-BURNER ASSEMBLY REMOVAL/
REPLACEMENT 8
FLAME SENSOR AND IGNITER REMOVAL/
REPLACEMENT 10
BURNER AND ORIFICE REMOVAL/
REPLACEMENT 12
DOOR GASKET REPLACEMENT 16
CONTROL MODULE REMOVAL/REPLACEMENT 18
VALVE MODULE REMOVAL/REPLACEMENT 20
TEMPERATURE SENSOR AND CABLE REMOVAL/
REPLACEMENT 21
GAS VALVE REMOVAL/REPLACEMENT 22
BLOWER REMOVAL/REPLACEMENT 24
ROTATING THE BLOWER 25
PRESSURE SWITCH REMOVAL/REPLACEMENT 26
FV SENSOR 27
CLEANING THE COMBUSTION CHAMBER 28
CLEANING THE BLOWER 29
TECHNICAL BULLETINS 30
TROUBLESHOTING CHART 36
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