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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 801 E

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 801

Thermostatic Water 

Controller

This installation & maintenance manual covers all 

configurations of the 801 including manifold recirculation 

systems, multiple valve systems and ARV systems.

DIMENSIONS

  Valve Number 

A  N.P.T. 

B  N.P.T. 

D

 

801

 

3/4” 

1” 

10” 

12”

Dimensions are for reference purposes only. For rough-in dimensions 
please refer to Lawler’s Revit/BIM models found at temperedwater.com.

72999_801_STD_DRW_NODIMS.pdf

B

A

A

D

C

CAPACITIES – MODEL 801

 Pressure Drop PSI 

10 

20 

30 

45 

60 

80

  Valve Number 

 

 

  Capacity

 

801-GPM

 

17 

25 

34 

40 

50 

57 

65

 

801-LPM

 

64 

94 

128 

151 

189 

210 

246

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

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