Guardian PowerVent Training Manual SVC900; Rev 1
Page 31
HOW TO REMOVE THE GUARDIAN POWERVENT INNER ACCESS DOOR
1. Shut off gas supply to water heater. Turn gas
valve to OFF.
2. Remove jacket door.
3. Unscrew the pilot supply tube (7/16”) and the
main gas supply tube (3/4”), and remove the
ignitor wire from the gas control valve.
4. Remove the four tamper
resistant screws at the
corners of the burner. You
will need a #20 size TORX
head tool.
5. Remove burner access door. Remove the old
door gasket. Clean metal surfaces.
(Gasket will be replaced during reinstallation of
inner door. See gasket shipping package for more
replacement instructions.)
6. Reassemble in reverse order. Install new gasket.
7. Turn gas supply back on. Turn gas valve to ON.
Turn thermostat up to demand heat.
8. Verify main burner operation.
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