6. Flush the Pipes
Disassemble the valve as shown to remove the internal
components.
Slowly open the water supplies to run water through the supply
pipes and valve body to remove any debris.
Inspect the two inlet seals of the pressure balancing unit (PBU). If
the seals are damaged, replace them with the provided extra inlet
seals. Lubricate the seals using the capsule provided.
To reinstall the PBU, push it into the valve in the initial
installation position with the nuts on the PBU toward the hot
inlet. Make sure the PBU seals do not come in contact with the
inlet/outlet holes during initial installation because their rough
edges may damage the seals.
Rotate the PBU counterclockwise while applying downward
pressure until it is seated in the seating indents on the bottom of
the valve. The PBU should not rotate when it is properly seated.
Reassemble the remaining valve components as shown.
Pressure
Balancing Unit
Valve Cap
Screw
Stop
Cover
Valve
Stop
Valve Assembly
Initial
Installation
Position
Water
Outlet Hole
PBU
Valve
Final Install
Position
PBU Installation
Screw
Kohler Co.
9
1205550-2-C
