ASSE 1017 Series LM490, LFLM490, LM490-10 and LFLM490-10
Installation Instructions
NOTE: Installation should be in accordance with accept-
ed plumbing practices. Flush all pipes thoroughly before
installation. Installation and field adjustment are the
responsibility of the installer.
Installation Instructions
1. Close both hot and cold water shutoff valves upstream of
the tempering valve.
2. Bleed pressure from the system.
3. Route copper tubing or piping to fit valve dimensions.
4. For valves with Quick-Connect tailpieces refer to "Quick-
Connect Installation" instructions.
5. Remove tailpieces from the valve and make sure union
nuts are over the tubing/piping before connecting to the
tailpiece.
NOTE: If soldering, remove unions and gaskets from valve
body prior to soldering to prevent damage to valve from
excessive heat.
6. Flush piping again, install valve using filter gasket on hot
and cold water inlets and fiber gasket on mixed water
outlet.
7. Turn on the cold and hot water. If any leak are observed,
tighten connections as necessary to stop leak before pro-
ceeding.
Vacuum Relief Valve
T&P
Relief Valve
IMPORTANT:
To prolong the life of the series LM490, LFLM490, LM490-10
or LFLM490-10 valves, it is recommended that the hot water
inlet to the valve should be 8-10"(200-305 mm) below the hot
water inlets.
Figure 1. Domestic Hot Water Application
HYDROGUARD
n
8" - 10"
LM490, LFLM490,
LM490-10, LFLM490-10
Cold
Thermostatic Tempering Valves
®
LFLM490-1
Quick-Connect Installation
TO CONNECT
1
/
in. (38.1mm)
1
2
/
in.Pipe (12.7mm)
1
2
1
/
in. (44.45mm)
3
4
3
/
in.Pipe (19.05mm)
4
1
/
in. (47.63mm)
7
8
1 in.Pipe (25.4mm)
1. Mark pipe as shown.
This is pipe insertion depth.
PEX tubing only
Pipe Stiffener
Tail Piece
3. If using PEX tubing, insert pipe stiff-
ener (provided) into end of pipe.
TO DISCONNECT
1. Remove collet clip.
IS-P-LM490-LM490-10
LM490-5
Advanced Thermal
Activation
n
2. Clean pipe end.
Collet clip
Mark
4. Push tubing into tailpiece up to mark.
5. Insert collet clip.
Collet depressed
2. Depress collet.
3. Pull tubing from tailpiece .
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