Factory Direct Hardware TMU1LN12 CP User Manual

®

INSTALLATION INSTRUCTIONS

Toilet Flushometer Valve TMT1NNC
Toilet Flushometer Valve TMW1NNC
Toilet Flushometer Valve TMU1NNC

LIMITED WARRANTY

TOTO warrants its products to be made of first class materials, free from defects in material or workmanship,
under normal use, and to perform the service for which they are intended in a thoroughly reliable and
efficient manner when properly installed and serviced, for a period of three years from the date of purchase.
During this period TOTO will, at its option, repair or replace any part, or parts, which prove to be thus
defective if returned to TOTO, at the customer’s cost, and this shall be the sole remedy available under this
warranty. No claims will be allowed for labor, transportation, or other incidental costs. This warranty extends
only to persons or organizations who purchase TOTO’s products directly from TOTO for the purpose of
resale.

• THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE

HEREOF. IN NO EVENT IS TOTO RESPONSIBLE FOR ANY CONSEQUENTIAL DAMAGES OF ANY
MEASURE WHATSOEVER.

PRIOR TO INSTALLATION

Prior to installing the Piston Flushometer Valve, install the items
listed below:

• Closet or urinal fixture

• Drain line

• Water supply line

The supply piping to these devices shall be securely anchored
to the building structure to prevent the installed device from
unnecessary movement when operated by the user. Care shall
be exercised when installing the device to prevent marring the
exposed significant surface.

1.

IMPORTANT:

• ALL PLUMBING IS TO BE INSTALLED IN ACCORDANCE WITH
APPLICABLE CODES AND REGULATIONS.

• WATER SUPPLY LINES MUST BE SIZED TO PROVIDE AN AD­EQUATE VOLUME OF WATER FOR EACH FIXTURE.

•

FLUSH ALL WATERLINES PRIOR TO OPERATION.

The Piston Valve is designed to operate with water pressure as low as
10psi (69kPa). HOWEVER THE MINIMUM PRESSURE REQUIRED TO
OPERATE THE VALVE IS DETERMINED BY THE TYPE OF FIXTURE
SELECTED.

Pressure in excess of 100psi (690kPa) is not suitable for flushing any
plumbing fixture. Most codes mandate a maximum of 80psi; Please check
local code requirements.Protect the chrome or special finish of this

flushometer.

VICE THE VALVE.

Consult the fixture manufacturer for pressure requirements.

DO NOT USE TOOTHED TOOLS TO INSTALL OR SER-

Install stop valve assembly A and wall flange.
Refer to shown rough in dimension. Thread
sealing compounds should be used on male
NPT threads only.
For sweat solder refer to instructions in the
sweat solder kit.

2.

3.

4.

Prior to inserting the flushometer valve tailpiece
B into the stop valve, be certain that the O-ring
seal C is located in the O-ring seal groove at
the end of the tailpiece, and the locking nut D
and locking snap ring E are located as shown.
Care should be taken not to damage the O-ring
when inserting the tailpiece into the stop valve.
If lubrication is needed, wetting the O-ring with
water will be sufficient.

Insert the flushometer valve tailpiece B into
the stop valve A and hand tighten the lock
nut D to the stop valve. Plumb the entire
unit.

Determine the length of vacuum breaker tube
F required to join the flushometer valve and
fixture spud. Cut the vacuum breaker tube, if
required, to this length. Assemble the vacuum
breaker tube assembly and spud nut assem­bly to the flushometer valve and fixture spud.