Rheem 27 Owner's Manual And Installation Instructions page 71

14. Apply an adequate bead of sealant around the flue assembly and flashing and around the flashing and
roof material, using a general purpose silicone sealant suitable for outdoor application.
Failure to properly seal the flue penetration through the roof will result in long term damage due to
weather conditions.
15. Apply an adequate bead of sealant around the flue assembly and ceiling and on the rear face of the
Trim Ring (if fitted), using a general purpose silicone sealant suitable for indoor application.
Press the Trim Ring (if fitted) up against the ceiling.
Upon completion of the secondary flue installation, remove the warning label adhered to the top left
16.
hand corner of the water heater's front panel.
Refer to "Connections – Electrical"
for the commissioning details of the water heater.
on page 74 electrical connection details and
71
FLUEING
"Commissioning" on page 86