Moen 8415, 8410, 8416, 8455, 8450 User Manual
MT138A
INSTALLATION INSTRUCTIONS
LAVATORY FAUCETS
Four-Inch Centerset
6" X 2" WIDE
1/2" IPS
THREADED
CONNECTIONS
LIFT ROD
POSITION
USE SPACER TO INSTALL
ON THINNER LAVATORY
BOWLS OR COUNTERS
DISCARD SPACER WHEN
INSTALLING ON THICKER
LAVATORY BOWLS OR COUNTERS
1-3/4"
MAX.
4-3/4"
3-5/8" C.C.
1-3/4"
5" NOMINAL
OPEN
POSITION
5" NOMINAL
OPEN
POSITION
CONCENTRIX HANDLE
CONCENTRIX
HANDLE INSERT
3-5/8" C.C.
1-3/4"
3-5/8" C.C.
1-3/4"
5" NOMINAL
OPEN
POSITION
LEVER HANDLE KNOB HANDLE
With clamp ba r, spa cer and
mounti ng nut install ed, tilt
clamp bar back as shown,
then d rop fa ucet supp lies
down through deck holes and
tighten from below. On decks
thicker than 3/4" yo u may
have to remove spacer.
Fits 4" centers and through a 1" minimum diameter hole.
All models equipped with a Moen Flow-Rator™.
TILT BACK
CLAMP BAR
8410, 8415, 8416, 8450, 8455
®
Always turn water off before disassembling the valve. Open valve handle to alleviate
water pressure to insure that complete water shut-off has been accomplished.
Be fore turn ing w ater on durin g eit her r ough -in or t rim- out, make sure t hat t he ca rtri dge r etai ner c lip is in pl ace. Th e ca rtridge
a n d re t a i n e r c l ip w e r e p r o pe r l y i n s t al l e d a n d t es t e d b e f o r e l e a v i n g t he f a c t o r y . Although it is u nl i k e l y , it is n e v e r t h el e s s p o s si b l e
that thro ug h the handlin g of the valve by an y number of pers on s the retai ne r clip may not be properly ins talled. This sh ou ld
be carefu lly chec ke d at time of ro ugh-in a nd trim- out. If the re ta iner cli p is not pro perly in st alled, w ater pre ssure co uld force
the cartridge out of the casting. Personal injury or water damage to the premises could result.
CAUTION:
CLIP
EAR
Complies with ASME A112.18.1M and CSA B125
FAUCET
CONNECTION
NIPPLE
TIGHTEN
NUT
HOLD WITH
WRENCH
Installation
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.
WARNING: Hold the faucet connection nipples with a wrench when
tightening to prevent twisting and collapse of the tubing.
MT138A
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 THREAD
SEAL
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"
Lift Rod & Waste Assembly
(For model with grid strainer assembly follow steps 1-3 only)
1. Th oroughl y clean a round drain opening in lavat ory basi n. Apply
1/4 inch bead of plumber's putty (not furnished) around the
underside of seat (as shown).
2. Apply pipe joint compound or thread seal 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 rearw ar d) a nd ti gh te n mo un ti ng nu t un ti l t he dr a in bo dy is sn ug . Wipe
excess plumber's putty from the seat area. Apply pipe joint
compound (not furnished) to top threaded end of tailpipe and
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
plug for cleaning. Just drop in the drain plug as shown in the
illustration below.
5. Hook up lift rod and knob, lift rod strap and spring clamp as
shown.
6. With the drain plug in full open position, adjust lift rod and knob
to clear faucet and tighten lift rod strap screw.
Flushing
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.
A. VANDALPROOF B. EASY REMOVAL
FOORPLADNAVDOR TOVIP
POSITION FOR
EASY REMOVAL
PIVOT ROD
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