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

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