Bradford White PV Series Service Manual page 18

PV Series
Burner Cleaning
Step 1. Position gas control power
switch to the "OFF" position and
unplug heater from wall outlet.
Step 2. Turn off gas supply to water
heater.
Step 3. Remove outer jacket door and
inner door per service
procedure XIII on page 39.
Step 4. Disconnect pilot tube (7/16" wrench)
and feedline (3/4" wrench) from gas
control.
Step 5. Disconnect igniter/flame sensor wire from gas control.
Step 6. Remove burner assembly from combustion chamber.
Step 7. Thoroughly inspect burner surface area and burner port area and remove
any loose debris.
Step 8. Unscrew burner from main burner orifice.
Step 9. Remove main burner orifice from
feedline (1/2" wrench on steel
burners) inspect orifice, clean or
replace if necessary.
Step 10. Reassemble burner and reinstall
into water heater. Restore gas
supply and check for gas leaks.
Step 11. To resume operation, follow the instruction located on the lighting
instruction label or the lighting instruction located in the installation and
operation manual.
18
18
PV SERVICE PROCEDURE I
Burner Operation Inspection,
Cleaning and Replacement
NOTICE
Feedline nut for natural gas control
uses right hand threads, LP control
uses left hand thread.