Watts LFCS - Manual

IS-CS
Watts Model LFCS
Installation Instructions
Figure 2
Typical System Piping
Prior to beginning installation, flush all supply lines, shutoff water supply, and drain
supply lines.
To install the Watts Model LFCS check stop on
the supply to tempering/mixing valves:
1. Disassemble union nut and tailpiece from
Watts LFCS check stop valve. (Figure 1)
2. Install tailpiece with union nut on to both hot
and cold inlets of the tempering/mixing valve.
3. Install LFCS body on supply piping (Figure 2).
Instructions for soldering
Prior to soldering, remove the strainer bonnet, disk holder assembly and spring. The ends of
the water supply tubing and LFCS body inlet must be thoroughly clean to enable a good joint
in a minimum time and with a practical size flame.
After completion of soldering, reassemble components.
4. I nstall tempering/mixing valve with tailpiece attached to LFCS bodies and tighten union to
LFCS body.
Adjusting Stem Bonnet
Disc
Holder
Assembly
Spring
Disc
Union Nut
Tailpiece
Strainer
Strainer Seal
Body
Figure 1
ENGLISH INSTRUCTIONS
WARNING !
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information
can result in death, serious personal injury, property damage,
or damage to the equipment.
Keep this Manual for future reference.
WARNING: This product contains chemicals known to the
State of California to cause cancer and birth defects or
other reproductive harm.
For more information: www.watts.com/prop65
Use caution when soldering. Protect yourself
and others. FUMES AND GASES can be haz-
ardous to your health. HEAT RAYS (INFRARED
RADIATION) from flame or hot metal can injure
eyes.
WARNING !
Check
Valve
Isolation
Ball Valve
Strainer
To Fixture To Fixture
Model LFCS
(2 required)
Model LFCS
(2 required)
Isolation
Ball Valve
(optional)
Watts LF1170
or LFN170
mixing valve
(optional)
Hot Supply
Cold Water
Supply
Hot Water
Supply
Isolation
Ball Valve
(optional)
Hot Cold Hot Cold
LFL111 LFMMV