A.O. Smith GPVL-50 Service Handbook page 13

4. Reconnect all the electrical connections to the bottom
of the gas control valve/thermostat, gently pushing
each connector up until it snaps into place (see Figures
10 & 15).
5. Reconnect the electrical power to the water heater in
the wall outlet and turn the gas supply back "ON" to
the gas control valve/thermostat.
6. Restart the water heater by following the directions on
the "Lighting and Operating Instructions" label located
on the front of the water heater.
7. As the burner is heating (view flames through
viewport), test the manifold tube connection at the
gas control valve/thermostat by brushing on an
approved noncorrosive leak detection solution.
Important: Do Not splash any solution onto any
electrical connections.
8. Upon verifying proper operation of the water heater,
replace the outer door.
ELECTRICAL
CONNECTIONS
NOTE: OUTER DOOR AND INSULATION NOT SHOWN FOR CLARITY.
Figure 15
BURNER SUPPORT STRIGHT SLOT FOR
BRACKET - 40-50K BURNERS
LOCATED IN THE WITH STRAIGHT
CENTRE OF THE MANIFOLD TUBES
CHAMBER.
Figure 16
MANIFOLD
TUBE NUT
HEX HEAD
SCREWS
CURVED SLOT FOR
60-75K BURNERS
WITH OFFSET
MANIFOLD TUBES
INSULATION
PAD
OUTER DOOR
Figure 17
DRAIN HOLE
(AT 2 O'CLOCK
POSITION)
SCREWS
MANIFOLD
For 40,000 to
50,000 Btu/hr
models
Figure 18
ORIFICE
SCREWS
MANIFOLD
For 60,000 to 75,000
Btu/hr models
Figure 19
Note: The drain hole must be at the 2 o'clock position,
directly opposite the igniter and fl ame rod.
GASKET ON
REAR OF DOOR
COMBUSTION
MOUNTING CLIP
CHAMBER
(1 EACH SIDE)
OPENING
BURNER
ORIFICE
IGNITER
AND FLAME
ROD*
DOOR
GASKET
DRAIN HOLE
(AT 2 O'CLOCK
POSITION)*
BURNER
IGNITER
AND FLAME
ROD
DOOR
GASKET
13