
Dimensions – Weights
Body: LF127W: Lead Free* cast copper silicon alloy
LFF127W: Iron
Seat: Replaceable stainless steel
Stem: Stainless steel
Pressure – Temperature
Temperature Range: 33˚F – 160˚F (0.5˚C – 71˚C)
Maximum Working Pressure: 175psi (12.1 bar)
Adjustable Reduced Pressure Range: 25 – 100psi
(17 – 690 kPa)
kPa psi
138 20
103 15
69 10
35 5
0 0
0 50 100 150 200 250 300 gpm
0 190 380 570 760 246 1140 lpm
Pressure Drop
Flow
Capacity
ES-LF127W 1315 © 2013 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
A Watts Water Technologies Company
SIZE DIMENSIONS WEIGHT
Connection A B C D
in. in. mm in. mm in. mm in. mm lbs. kgs.
3" threaded 8 203 16
1
⁄8 410 2
2
⁄5 70 2
3
⁄8 60 40 18
3" flanged 8 203 16
1
⁄8 410 3
7
⁄10 93 3
3
⁄4 95 42 19
4" flanged 12
1
⁄8 308 16
1
⁄8 410 2
3
⁄10 59 4
1
⁄2 114 84 38
The information contained herein is not intended to replace the
full product installation and safety information available or the
experience of a trained product installer. You are required to
thoroughly read all installation instructions and product safety
information before beginning the installation of this product.
3
⁄4" LF223 regulator to
handle low demands.
Set 10psi (68 kPa)
higher than LF127W or
LFF127W.
Piping not provided
Reduced Pressure
High Pressure
Needle Valve
4" LFF127W
NOTICE
B
D
A
C
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