A.O. Smith GPVL-40 (LP) Technical Documents
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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