(3)
Figure 1
Typical installation. Valve must be
installed with check valves.
Figure 2
Typical installation. Valve must be
installed with check valves.
Installation
After installing the mixing valve, be sure to flush the
system of debris. Lawler recommends isolation and
check valves for proper maintenance.
Typical Installation
Figure 1
When installed without a recirculation system:
Install the valve as shown in
Figure 1
with the mixing
valve positioned below the hot water tank or heater.
If this is not possible, pipe in heat trap as shown.
Typical Installation
Figure 2
When installed with a recirculating pump on the hot
water supply line only:
Note: If the valve is installed 20 feet or more from
the water heater, it is important to recirculate the hot
water supply to the mixing valve.
Install the mixing valve as shown in
Figure 2
. The
non-circulated loop should be limited to 10 feet and
must be flushed periodically.
Caution: The cold water line must be installed
so that it is not affected by excessively hot am-
bient temperatures. Provisions shall be made
to thermally isolate the valve. Cold water pipe
installed in the ceilings of boiler rooms or rooms
that increase ambient temperature require a re-
circulating pump.
GuARANTEE
We guarantee the Lawler Mixing Valve to be free
from defects in workmanship and material, and,
for a period of one year from date of purchase,
will replace any parts found by Lawler Manufac-
turing Co., Inc. to be defective. We will not be held
responsible, however, for any labor incidental to,
or for any damages caused by, defective material.
Each mixing valve is thoroughly inspected and tested
under actual conditions at our factory.
Note: The mixing valve must be installed with
inlet check valves and the Eyewash/Facewash
fixture should be installed 4 to 10 feet from
the mixing valve.
Note: The valve body must be maintained at an
ambient room temperature of above 50°F to pre-
vent premature closure of the safety back-seat
mechanism.
Water
Heater
Storage
Tank
Eye/Face
Wash
Series 911E/F
CW
Heat Trap
27
″
Drop
HW
Water
Heater
Storage
Tank
Series 911E/F
CW
Heat Trap
27
″
Drop
Recirculating Pump
1 valve per
eye wash fixture
Maximum Inlet Pressure: 125 PSI.
Recommended Supply Pressure: 65 PSI.
Recommended Inlet Temperature: 120
°
F.
*
*
When supplying 140°F or greater, additional outlet
controls should be used.
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
