Kohler K-1913 Instructions D'installation page 9

Install the drain lines.
Mixing Valve
Transfer Valve
To
Handshower
To
Accumulator
Sidewall
1
Bath Drain
Receptor Tray Drain
Recommended Plumbing Configuration for Left-Hand Models
3. Install the Drain Lines and Rough Plumbing
All Installations
Plumbing Access Considerations
Confirm adequate mounting and connection space exists for the faucet specified for your
installation.
Confirm adequate clearance for three P-traps.
If the unit is installed on a slab at a corner of the outside walls: Make connections to the
accessible end, or provide access to the plumbing connections if not able to do so through the front
access panel. Check the P-trap clearance for drains #1 and #2.
If the unit is installed on a slab back-to-back against the outside walls: Plan to provide adequate
access to the plumbing connections. Limited access is available through the access panel. Check the
P-trap clearance for drains #1 and #2.
When the unit is installed where the drain connections are accessible from below: Connections
can usually be made from underneath the unit.
Install the Rough Plumbing
IMPORTANT! This product requires three 1-1/2" diameter drain outlets, three P-traps, and three separate
lines to the stack. In an ideal configuration, none of the drains should be combined, as performance may
suffer and the potential for backflow will increase. If desired, the two bathing vessel drains (#1 and #2)
may be combined downstream from the P-traps into a single 3" or larger drain line.
Install the plumbing lines following the valve and trim manufacturer's instructions. Recommended
supply fittings and locations are shown above.
Use 3/4" valves for optimal fill time.
Kohler Co.
All manuals and user guides at all-guides.com
46" (1168 mm) From Subfloor Recommended
2
3
Slotted
Overflow Drain
Flush out the drains.
Install water accumulator line.
9
Accumulator
Fitting (supplied)
3/4" NPT
(not supplied)
1128532-2-G