Install Instructions

ManualsBrandsFluidmaster ManualsFlush ValvesDuo Flush - Dual Flush Toilet Converter

Step 10: Wipe down the

BRASS FLUSH VALVE SEAT

before installing to check

for mineral build-up. If

the OVERFLOW PIPE is

threaded on (some are,

some aren’t) make sure

it’s tight by twisting

clockwise before

installing the BRASS SEAT

ADAPTER.

Step 3A: Identify the

type of FLUSH VALVE

SEAT you have in your

tank. If your plastic

OVERFLOW PIPE has a

FLAT SEAT as pictured

above, proceed to Section

4 on the back side of this

instruction guide.

Step 3B: If your plastic

OVERFLOW PIPE has an

ANGLED SEAT, locate and

remove the ANGLED SEAT

ADAPTER from the yellow

bag labeled “B.” Follow

the installation

instructions below for

SECTION 2.

Step 3C: If your

OVERFLOW PIPE is brass,

locate and remove the

BRASS SEAT ADAPTER

from the orange bag

labeled “C.” Follow the

installation instructions

below for SECTION 3.

DUO FLUSH

VALVE OVERVIEW INCOMPATIBILITIES / SPECIAL NOTES

IDENTIFYING YOUR FLUSH VALVE SEAT

BRASS SEAT

FLAT SEAT

ANGLED SEAT

SECTION 2: INSTALLING THE ANGLED SEAT ADAPTER

Step 4: Prior to installing the

ANGELED SEAT ADAPTER

make sure the bottom of the

tank and flush valve seat are

dry.

Step 5: Remove paper from

sealant ring located on the

bottom of the ANGLED SEAT

ADAPTER. Do not remove

SEALANT RING.

Step 9: Check for flat

surface on seat. Any

damage to seat will

require replacement of

the entire brass seat with

Fluidmaster’s 507 Flush

Valve.

Step 6: Locate yellow

arrow on the back of the

ANGLED SEAT ADAPTER.

Step 7: Align yellow

arrow on ANGLED SEAT

ADAPTER directly toward

the plastic OVERFLOW

PIPE.

Step 8: Firmly press the

ANGLED SEAT ADAPTER

onto the flush valve seat

as shown above.

Proceed to Section 4.

Step 11: Remove the FILL VALVE

REFILL TUBE from the top of the

OVERFLOW PIPE. Slide the BRASS

SEAT ADAPTER down the pipe

and snap it to the FLUSH VALVE

SEAT as shown. Re-attach the

FILL VALVE REFILL TUBE to the top

of the OVERFLOW PIPE. Proceed

to Section 4.

SEATED

ANGLED FLUSH

VALVE SEAT

OVERFLOW

PIPE

REMOVE PAPER

SECTION 3: INSTALLING THE BRASS SEAT ADAPTER

PARTS OVERVIEW Items Needed: Sponge or Towel

DUAL FLUSH VALVE, HANDLE

& ADAPTER INSTALLATION GUIDE

DUO FLUSH

Visit www.duoflush.com for

easy-to-follow installation videos

and additional troubleshooting tips.

30800 Rancho Viejo Rd.,

San Juan Capistrano, CA 92675

www.fluidmaster.com

800.631.2011

WARNING

DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS

CONTAINING BLEACH OR CHLORINE. Use of such products

will: (1) RESULT IN DAMAGE to tank components and MAY

CAUSE FLOODING and PROPERTY DAMAGE and (2) VOID

FLUIDMASTER WARRANTY. DO NOT overtighten nuts or

tank/ bowl may crack.

SECTION 1: PREPARING TO INSTALL THE DUO FLUSH

VALVE

Step 1: Shut off the

water supply to your

toilet.Flush your toilet to

drain the water from the

tank. If necessary, sponge

out any remaining water.

CLOCKWISE

Step 2: Remove the

existing flapper, chain and

flush handle assembly

from your tank. When

removing the FLUSH

HANDLE, note that the

LOCK NUT may be

reverse-threaded, so you

may need to turn it

clockwise to loosen it.

CLOCKWISE

TO LOOSEN

LOCK NUT

REMOVE

FLUSH HANDLE

AND FLAPPER

PART# 25-0183, Grev. 3, 12/11

ALIGNMENT

ARROW

ALIGNMENT

ARROW

SEATED

Adjustment

Dials

Overflow Hose

and Clip

Dual

Action

Handle

Flush

Cable

Flush

Handle

Actuator

Fill

Valve

Fill Valve

Refill Tube

Overflow

Pipe

Snap-On

Mount

Flush

Valve

Seat

Water

Saving

Refill

Module

There are 4 main

components

included in this

box. Each of

these

components are

contained within

color-coded bags

with a

corresponding

letter.

To identify a part

within the box,

look for the

letter and color

on each bag that

corresponds with

the parts listed

to the right.

Dual Action Handle (Handle)

The DUAL ACTION HANDLE will allow you to flush

UP for a half flush and DOWN for a full flush.

PART

Brass Seat Adapter

The BRASS SEAT ADAPTER is only necessary

if you have a BRASS FLUSH VALVE SEAT.

PART

DUO FLUSH

Valve

The DUO FLUSH

Valve saves water by

allowing you to choose between half and full

flushes.

PART

Angled Seat Adapter

The ANGLED SEAT ADAPTER is only necessary if

you have a plastic ANGLED FLUSH VALVE SEAT.

PART

Overflow Hose and Clip

For use when upgrading to the complete DUO FLUSH

System. (Contents and instructions included in clear bag.)

CLEAR

BAG

The systems and components shown here are not

compatible with the Fluidmaster DUO FLUSH

Valve.

3”

Flush

Valves

3”

Kohler

Side-Mount

Valves

Mansfield

Flush Valves

Requires installation

of 2" flapper flush

valve (not included).

Can be replaced with

Fluidmaster’s 507

Flush Valve.

Ballcock

Fill Valves

Can be replaced with

Fluidmaster’s PerforMAX

FILL VALVE 400ARHR.

SEAT

SURFACE

MUST BE

FLAT

TURN OVER INSTRUCTIONS

FOR NEXT STEPS

SEALANT

RING

This device is not intended to be used as a retrofit device for

1.28 gpf water closet.

Performance may vary since product was not tested on all

models of water closets.

Certain 1-piece toilets

with Low-Boy tanks

(less than 8” in height)

Summary of content (2 pages)

PAGE 1
The DUAL ACTION HANDLE will allow you to flush UP for a half flush and DOWN for a full flush. D CLEAR BAG For use when upgrading to the complete DUO FLUSHTM System. (Contents and instructions included in clear bag.) Fill Valve Refill Tube PART# 25-0183, Grev. 3, 12/11 P ACH DRO INCOMPATIBILITIES / SPECIAL NOTES TM Dual Action Handle Visit www.duoflush.com for easy-to-follow installation videos and additional troubleshooting tips. Overflow Hose and Clip B 30800 Rancho Viejo Rd.
PAGE 2
SECTION 4: INSTALLING THE DUO FLUSH VALVE TM OVERFLOW PIPE FLUSH CABLE FILL VALVE SNAP-ON MOUNT SEE NOTE BELOW FLUSH VALVE SEAT Step 12: Ensure that the FILL VALVE REFILL TUBE is still attached to your OVERFLOW PIPE. ALIGNMENT ARROW Step 13: Locate white arrow on SNAP-ON MOUNT and align it facing the OVERFLOW PIPE. Do not install yet. Remove foam around ADJUSTMENT DIALS.