Bulletin G11N5
August, 2018
1360 Elmwood Avenue, Cranston, RI 02910 USA
Phone: 401.461.1200 Fax: 401.941.5310
Email:
Web Site: http://www.leonardvalve.com
INSTALLATION ADJUSTMENT SERVICE
TM-1520B-2P, TM-1520B-2PS-LF
TM-2020B-2P, TM2020B-2PS-LF
PARALLEL SYSTEMS
Note: IMPORTANT! Provide serial numbers for both valves when ordering parts!!
INSTALLATION
1. Type TM Parallel Systems are factory pre-assembled and
tested and include large and small thermostatic water
mixing valves which function as a system to meet both
high and low demand for tempered water.
2. System should be installed at a location where it can
easily be cleaned, adjusted or repaired.
3. System supplies must be connected as shown (Hot-left,
Cold-right). Exercise caution when soldering.
4. Flush
pipes
thoroughly
after
system
has
been
connected.
5. Assemblies installed on a recirculated hot water system
MUST
be
piped
according
to
LEONARD’S
REQUIRED PIPING METHOD #5
(see page 4).
6. Refer to page 3 of this bulletin for correct Setup
Instructions.
Maximum Operating Pressure 125PSI (860 KPA) for Hot and Cold Water.
CAUTION
All thermostatic water-mixing valves have limitations. They will not provide the desired
accuracy outside of their flow capacity range. Consult the capacity chart on page 12. Minimum
flow must be no less than as shown.
HOT
COLD
5"
CL
28"
2
0
4
0
°F
0
14
0
30
1
00
20
60
L EONARD
-10
°C
0
10
50
1
2
0
40
60
80
LEONARD VALVE CO.
CRANSTON RI USA
TYP TM
LF
LF
LEONARD VALVE CO.
CRANSTON RI USA
T YP TM
LF
LF
39"
TM-2020B-2P, 2PS
TM-1520B-2P, 2PS
4
1
2
"
L
C
10
-10
20
0
40
14
0
°F
0
60
°C
50
LEONARD
20
40
R
30
1
2
0
10
0
60
80
LEONARD
THERMOSTATIC
C
H
ASSE
1017
LEONARD
THE RMOS TATIC
C
H
ASSE
1017
28"
38"
HOT
HOT
COLD
!
WARNING:
This
product
can
expose
you
to
chemicals including lead, which is known to the State
of California to cause cancer. For more information, go
to
www.P65Warnings.Ca.gov
