Product Overview

Dimensions n
D
MM430_Lineart.pd
f
D
MM430_Lineart.pd
f
Master mixing valve shall feature parafn-based, thermal actuation technology for precise
temperature control. Valve shall be listed to ASSE 1017 and certied to CSA B125 and have
an approach temperature of 5°F (3°C). Valve shall have an outlet temperature range from 90
160°F (32 – 71°C) with a lockable temperature-setting feature. Body shall be constructed
using Lead Free* brass material which shall comply with state codes and standards, where
applicable, requiring reduced lead content. Valve shall also be manufactured of corrosion
resistant materials and feature a single-seat design for positive shutoff. Valves shall come
standard with union check stops. Minimum flows to ASSE 1017 shall be LFMM431 (3.0 gpm)
(11 Lpm), LFMM432 (4.0 gpm) (15 Lpm), LFMM433 (5.0 gpm) (19 Lpm), LFMM434 (7.0 gpm) (26
Lpm), LFMM435 (10.0 gpm) (38 Lpm).
Master mixing valves shall be of Powers series LFMM430. Any alternate must have a written
approval prior to bidding.
Typical Specification n
Recirculation Piping Diagram
Please see Piping Diagram Section of this catalog.
ENGINEERING APPROVAL
Project:
Contractor:
Architect/Engineer:
Note:
Dimensions are shown ± 1/4''
Dimensions in brackets are in mm
Valve Order Code
42 gpm (159 lpm) LFMM431
64 gpm (242 lpm) LFMM432
110 gpm (416 lpm) LFMM433
144 gpm (545 lpm) LFMM434
208 gpm (787 lpm) LFMM435
Finish/ Temperature Range
Rough Bronze, Standard 1
Chrome Plated, Standard 2
Rough Bronze, Low 3
Chrome Plated, Low 4
Ordering Information n
G
F
E
D
B
A
C
Valve
Inlets
NPT
Outlet
NPT
LFMM431 3/4" 3/4"
LFMM432 3/4" 1"
LFMM433 1-1/4" 1-1/4"
LFMM434 1-1/4" 1-1/2"
LFMM435 2" 2"
Valve A B C D E F G
LFMM431
9-7/16" 4-3/4" 11-5/8" 1-7/8" 4" 3-1/4" 1-5/8"
(240) (121) (295) (48) (102) (83) (41)
LFMM432
9-7/16" 4-3/4" 11-5/8" 1-7/8" 4" 3-1/4" 1-5/8"
(240) (121) (295) (48) (102) (83) (41)
LFMM433
12-1/4" 7" 15-1/4" 2-1/2" 5-3/4" 3-1/2" 2-1/16"
(311) (178) (387) (64) (146) (89) (52)
LFMM434
12-1/4" 7" 15-1/4" 2-1/2" 5-3/4" 3-1/2" 2-1/16"
(311) (178) (387) (64) (146) (89) (52)
LFMM435
15-5/8" 7-1/8" 19-1/4" 2-3/4" 7-7/8" 4-3/8" 2-3/8"
(397) (181) (489) (70) (200) (111) (60)
USA:  Tel: (800) 669-5430 • Fax: (847) 229-0526 • www.powerscontrols.com
Canada: Tel: (888) 208-8927 • Fax: (888) 479-2887 • www.powerscontrols.ca
ES-P-LFMM430 1406 © 2014 Powers
A Watts Water Technologies Company