Submittal Sheet
Zurn Industries, LLC | Wilkins
1747 Commerce Way, Paso Robles, CA U.S.A. 93446 Ph. 855-663-9876, Fax 805-238-5766
In Canada | Zurn Industries Limited
3544 Nashua Drive, Mississauga, Ontario L4V 1L2 Ph. 905-405-8272, Fax 905-405-1292
www.zurn.com
Rev. C
Date: 1/14
Document No. TMV-ZW3870XLT
Product No. Model ZW3870XLT
Model ZW3870XLT
Aqua-Gard
®
Thermostatic Mixing Valve
Flow Characteristic
Application
Ideal for use where Lead Free* valves are required. The
Zurn Wilkins Model ZW3870XLT Aqua-Gard
®
Thermostatic
mixing valve is designed to be installed at the point of use
under sinks and sensor faucets to assist in the prevention of
scalding. The valves rapid response and precise temperature
control meet the stringent standards of ASSE 1070 listed for
fixtures, sinks, lavatories or bathtubs. The ZW3870XLT will
mix hot and cold water from the distribution system to a final
safer temperature outlet range of 95-115F (35-46C). The 3/8”
compression fittings make this valve ideal for residential and
commercial applications.
Standards Compliance
• ASSE® Listed 1070
• CSA® Certified
• Certified to NSF/ANSI 372* by IAPMO R&T
• NSF® Listed-Standard 61, Section 9, Annex G*
*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
Features
Sizes: 3/8"
Nickel Plated
Outlet Temp. Range 95-115°F(35-46°C)
Temperature Hot Supply 120-195°F max.
(49-90.5°C)
Temperature Cold Supply 40-75°F(4.4-23.8°C)
Set Temperature Accuracy +/- 3°F(1.78°C)
Max. Working Pressure (inlet) 145 psi
Temperature must be eld set
Max. Pressure Differential is 15 psi between Hot & Cold inlets
Flow rate @ 45 psi pressure loss 3.10 gpm
Min. Flow Rate 0.35 gpm
Integral check valves and strainer screen on hot and cold supply
ZW3870XLT 3 PORT (1 Hot in, 1 Cold in, 1 Mixed out)
ZW3870XLT-4P 4 PORT (1 Hot in, 1 Cold in, 1 Cold out,
1 Mixed out.)
Dimensions & Weights (do not include pkg.)
Piping Instructions
The device is designed to be installed at a single outlet.
It may be used to supply individual outlets when there
is sufficient supply pressure. It is suggested to use ball
valves on the hot and cold inlet supplies.
ZW3870XLT-4P
ZW3870XLT
MIX
A
E
B
ASSE
1070
C
H
TM
XL
MIX
D
E
A
B
C
F
H
C
TM
ASSE
1070
XL
PRESET
TEMP
(MIXED)
COLD
COLD
HOT
MIX
H
c
XL
H
C
PRESET
TEMP
(MIXED)
HOT
COLD
MIX
XL
SINGLE
USE
ZW3870XLT
INDIVIDUAL
USE
ZW3870XLT-4P
Certified to NSF/ANSI 61
Section 9-G
0
10
20
30
40
50
60
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
PRESSURE LOSS
(PSIG)
GPM
MODEL ZW3870XLT
Materials
Body Low Lead Cast Bronze ASTM B 584
w/Nickel Plating
ASTM B 456 Service Condition #2
Internal brass Low Lead Brass, ASTM B 927
UNS C27450
Piston Polysufone
Guide Tube Noryl GFN2
Spring 300 Series Stainless Steel
Seals Viton
Checks Acetal Co-Polymer

