temperedwater.com
5330 East 25th St.
Indianapolis, IN 46218
Phone (317) 261-1212
Fax (317) 261-1208
INSTALLATION &
MAINTENANCE MANUAL
Design and specifications subject to change without notice.
Please refer to
temperedwater.com
to ensure most
current data sheet and other design solutions.
CAUTION: When maintaining and adjusting the
mixing valve, all fixtures should be isolated from
use. Lawler Manufacturing Co., Inc. recommends
that you work safely at all times and in a manner
consistent with the OSHA Lock/Tagout standard,
29 CFR 1910.147 and other applicable standards.
temperedwater.com/patents
M 803 B
ASSE 1017 Approved
ASSE Lead Free Certified
Certified to CSA B125.3
NOTICE!
No mixing valve will work satisfactorily if improperly installed. We suggest, therefore, that you read
these instructions carefully before installing and follow directions as outlined. Handle the mixing valve with care.
Model 803
Thermostatic Water
Controller
This installation & maintenance manual covers all
configurations of the 801 including manifold recirculation
systems, multiple valve systems and ARV systems.
CAPACITIES – MODEL 803
Pressure Drop PSI
5
10
20
30
45
60
80
Valve Number
Capacity
803-GPM
43
60
85
103
125
144
165
803-LPM
163
227
322
390
473
545
624
1/2 gpm when properly installed in recirculated system.
WARNING: This product contains chemicals known
to the State of California to cause cancer and birth
defects or other reproductive harm.
(Installer: California law requires that this warning
be given to the consumer.)
For more information: www.oehha.org/prop65
DIMENSIONS
Valve Number
A N.P.T.
B N.P.T.
C
D
803
1-1/4”
1-1/2”
12-3/4”
12-1/2”
Dimensions are for reference purposes only. For rough-in dimensions
please refer to Lawler’s Revit/BIM models found at temperedwater.com.
73004_803_STD_DRW_NODIMS.pdf
B
A
A
D
C