Sizing recommendations for flow orifices, Installation, Installation complete – Xylem MM 308D Changing Flow Rate of Series WF-U Uni-Match Electric Water Feeder User Manual
Page 2

Xylem Inc.
8200 N. Austin Avenue
Morton Grove, Illinois 60053
Phone: (847) 966-3700
Fax: (847) 965-8379
www.xyleminc.com/brands/mcdonnellmiller
McDonnell & Miller is a trademark of Xylem Inc. or one of its subsidiaries.
Sizing Recommendations for Flow Orifices
IMPORTANT: To prevent damage to the water feeder
and possible leaks, DO NOT damage body threads
when removing flow washer.
D
C
A
1
1
=1GPM
4
=4GPM
B
INSTALLATION –
TOOLS NEEDED:
One (1) vise or pipe wrench and one (1) small screwdriver.
STEP 1 - Installing the New Flow Washer
STEP 2 - Install the Water Feeder
STEP 3 - Test the Water Feeder
a. Using a vise or pipe wrench, securely hold the valve
body (A). Remove the outlet fitting (B) and gasket (C).
a. Follow the installation instructions provided with the water feeder.
a. Before leaving the installation, make sure the water feeder operates
properly and that the valve and fittings do not leak.
b. Carefully, insert a small screwdriver into the orifice
of the flow washer (D) and pry it out of the body.
c. Select the desired flow washer by using the number
on the face of the washer (D).
Identification:
Number 1 = 1 gpm
Number 4 = 4 gpm.
d. Insert the new flow washer in the valve body so that
the identification number faces the body (A), NOT
the outlet fitting (B). Before assembling the outlet
fitting (B), make sure that the flow washer is com-
pletely inserted into the body recess and lying flat.
e. Thread the outlet fitting (B) and gasket back into the
body (A). Securely tighten to approximately 35 lb•ft
(47.5 N•m) of torque.
INSTALLATION COMPLETE
© 2013 Xylem Inc. MM-308D July 2013 Part No. 210206