Installation / Operation Instruction Manual

6 238-49754-00D 9/20
For the exhaust venting for all power vent and power direct For Commercial Power Direct Vent models, insert
vent models, insert the PVC Adapter into the Exhaust Outlet PVC Adapter into Exhaust Outlet Adapter.
Adapter. On residential models, tighten the clamp to secure Install Flue Clamp over Exhaust Outlet Adapter and
the PVC Adapter. Tighten clamp screw to secure the PVC Adapter.
Step 4: Lubricate the inside gasket of the PVC adapter and the male end (without gasket) of the elbow or straight
section of pipe for running the exhaust or intake pipe from the water heater. Insert the male end of the elbow or
straight section into the PVC adapter. Use a twisting motion while pushing the male end of the pipe or elbow into the
PVC adapter to fully seat into the gasket. The male end of the pipe or elbow must always point toward the water
heater.
Apply Centrocerin lubricant to the inside gasket of the PVC adapter.
Exhaust Outlet Adapter with clamp for
residential power vented models.
Inside Gasket of
Centrotherm PVC Adapter
Apply Centrocerin Lubricant
Commercial Power Direct Vent Exhaust
Outlet Adapter
Flue Clamp
PVC Adapter