Moen MT138A User Manual
8410, 8415, 8416, 8450, 8455
LAVATORY FAUCETS
LEVER HANDLE KNOB HANDLE
MT138A
®
INSTALLATION INSTRUCTIONS
Four-Inch Centerset
1-3/4"
CONCENTRIX HANDLE
1-3/4"
3-5/8" C.C.
3-5/8" C.C.
5" NOMINAL
POSITION
CONCENTRIX
HANDLE INSERT
OPEN
1-3/4"
MAX.
1/2" IPS
THREADED
CONNECTIONS
5" NOMINAL
OPEN
POSITION
Fits 4" centers and through a 1" minimum diameter hole.
All models equipped with a Moen Flow-Rator™.
6" X 2" WIDE
With clamp bar, spacer and
mounting nut installed, tilt
clamp bar back as shown,
then drop faucet supplies
down through deck holes and
tighten from below. On decks
thicker than 3/4" you may
have to remove spacer.
LIFT ROD
POSITION
1-3/4"
3-5/8" C.C.
USE SPACER TO INSTALL
ON THINNER LAVATORY
4-3/4"
BOWLS OR COUNTERS
DISCARD SPACER WHEN
INSTALLING ON THICKER
LAVATORY BOWLS OR COUNTERS
TILT BACK
CLAMP BAR
5" NOMINAL
OPEN
POSITION
Complies with ASME A112.18.1M and CSA B125
Always turn water off before disassembling the valve. Open valve handle to alleviate
CAUTION:
water pressure to insure that complete water shut-off has been accomplished.
Before turning water on during either rough-in or trim-out, make sure that the cartridge retainer clip is in place. The cartridge
and retainer clip were properly installed and tested before leaving the factory. Although it is unlikely, it is nevertheless possible
that through the handling of the valve by any number of persons the retainer clip may not be properly installed. This should
be carefully checked at time of rough-in and trim-out. If the retainer clip is not properly installed, water pressure could force
the cartridge out of the casting. Personal injury or water damage to the premises could result.
CLIP
EAR
Installation
DRAIN
PLUG
VANDALPROOF
HOLE
LIFT ROD
AND KNOB
LIFT ROD
STRAP
SCREW
SPRING
CLIP
LIFT ROD
STRAP
PIVOT
ROD
BOTTOM GASKET
FLAT WASHER
PIVOT NUT
PIVOT ROD
SEAT
2-1/8"
1-1/2"
PIPE
JOINT
COMPOUND
OR TEFLON
TAPE
(NOT
FURNISHED)
SEAT
PLUMBERS
PUTTY
MAX 2-1/2"
MIN 1-1/2"
MOUNTING
NUT
DRAIN
BODY
PIPE
JOINT
COMPOUND
(NOT
FURNISHED)
1-1/4"
TAILPIPE
BASIN
8"
Be sure lavatory or mounting surface is clean and dry. Place a bead of plumber's putty around the inside lip of the
gasket, position gasket on deck. Assemble clamp bars, spacers if needed, and mounting nuts to escutcheon sutds. Tilt
clamp bars back as shown in illustration, then place faucet supplies and sutds down through the deck holes.
HOLD WITH
WRENCH
FAUCET
CONNECTION
NIPPLE
WARNING: Hold the faucet connection nipples with a wrench when
tightening to prevent twisting and collapse of the tubing.
Flushing
TIGHTEN
IMPORTANT:
Pipe chips, sand, stones and other solids found in new and renovated plumbing can damage the sealing surface of
the faucet cartridge and cause a leak. To avoid damage, DO NOT OPERATE VALVE until you have followed these
instructions:
1. After installing and connecting your new faucet turn the valve on in the full cold position (handle
pointing to the right) and turn on the cold supply for 15 seconds.
2. Without closing the valve turn to the full hot position (handle pointing to the left) and turn on the hot
supply for 15 seconds.
3. Close the valve, unscrew aerator from the end of the spout and clean the cone screen.
4. Replace aerator. Check for leaks.
NUT
Lift Rod & Waste Assembly
(For model with grid strainer assembly follow steps 1-3 only)
1. Thoroughly clean around drain opening in lavatory basin. Apply
1/4 inch bead of plumber's putty (not furnished) around the
underside of seat (as shown).
2. Apply pipe joint compound or Teflon tape (not furnished) to top
threaded end of the drain body. Slip drain body up through the
drain opening and screw seat on the drain body.
3. Position the drain body (with pivot rod opening extending rearward) and tighten mounting nut until the drain body is snug. Wipe
excess plumber's putty from the seat area. Apply pipe joint
compound (not furnished) to top threaded end of tailpipe and
EASY REMOVAL
PIVOT ROD
POSITION FOR
screw into the drain body. Tighten firmly by hand.
4. Position the drain plug in either of the following ways:
A. VANDALPROOF - This design is to prevent unauthorized
removal of the drain plug. Unscrew the pivot nut and remove
the pivot rod. Inside the drain body position the pivot rod
through the drain plug hole as shown in the illustration below.
Screw the pivot nut back on the drain body. DO NOT
OVERTIGHTEN.
B. EASY REMOVAL - This design is for quick removal of drain
5. Hook up lift rod and knob, lift rod strap and spring clamp as
6. With the drain plug in full open position, adjust lift rod and knob
MT138A
plug for cleaning. Just drop in the drain plug as shown in the
illustration below.
PIVOT ROD VANDALPROOF
A. VANDALPROOF B. EASY REMOVAL
shown.
to clear faucet and tighten lift rod strap screw.
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