Service Manual

PARTS LIST

PV Series

ScreenLok

Flame Arrestor Cleaning

Step 1. Position Gas Control power switch to the “OFF” position.

Step 2. Remove outer door.

Step 3. Remove outer jacket door and inner door per service procedure XIII on page 39.

Step 4. Disconnect main burner feedline (3/4” wrench), pilot tube (7/16” wrench) and

igniter/flame sensor wire from gas control and remove burner assembly from

combustion chamber.

Step 5. Clean ScreenLok

Flame Arrestor using stiff brush, compressed air and/or shop

vacuum to remove any scale or other debris accumulation. Using a soft brush,

clear jacket openings from any dirt, dust, restrictions or other obstructions.

Step 6. Remove any debris from burner assembly per PROCEDURE I and reinstall

burner assembly into combustion chamber.

Step 7. Reconnect feedline, pilot tube and igniter/flame sensor wire to the gas control

Step 8. Reinstall outer jacket door and inner door per service procedure XIII on page 39.

Step 9. To resume operation follow the instructions located on the lighting instruction

label or the lighting instruction located in the installation and operation manual.

NOTICE

Some models are not equipped with the

ScreenLok

Flame Arrestor.