Overview of Primary Product

For Health Hazard Applications
ES-009
Series 009
Reduced Pressure Zone
Assemblies
Sizes:
1
⁄4" – 2"
Series 009 Reduced Pressure Zone Assemblies are designed
to protect potable water supplies in accordance with national
plumbing codes and water authority requirements. This series
is designed to protect drinking water supplies from dangerous
cross-connections in accordance with national plumbing codes
and water authority requirements for non-potable service appli-
cations such as irrigation, fireline, or industrial processing.
This series features two in-line, independent check valves, cap-
tured springs and replaceable check seats with an intermediate
relief valve. Its compact modular design facilitates easy main-
tenance and assembly access. Sizes
1
⁄4" – 1" shutoffs have tee
handles.
Features
•Singleaccesscoverandmodularcheckconstruction
for ease of maintenance
•Topentry-allinternalsimmediatelyaccessible
•Capturedspringsforsafemaintenance
•Internalreliefvalveforreducedinstallationclearances
•Replaceableseatsforeconomicalrepair
•Bronzebodyconstructionfordurability
1
⁄4" – 2"
•Ballvalvetestcocks—screwdriverslotted
1
⁄4" – 2"
•Largebodypassagesprovideslowpressuredrop
•Compact,spacesavingdesign
•Nospecialtoolsrequiredforservicing
Specifications
A Reduced Pressure Zone Assembly shall be installed at each
potential health hazard location to prevent backflow due to
backsiphonage and/or backpressure. The assembly shall
consist of an internal pressure differential relief valve located
in a zone between two positive seating check modules with
captured springs and silicone seat discs. Seats and seat discs
shall be replaceable in both check modules and the relief valve.
There shall be no threads or screws in the waterway exposed
to line fluids. Service of all internal components shall be through
a single access bronze cover secured with stainless steel bolts.
The assembly shall also include two resilient seated isolation
valves, four resilient seated test cocks and an air gap drain fit-
ting.Theassemblyshallmeettherequirementsof:USC;ASSE
Std.1013;AWWAStd.C511-92;CSAB64.4.ShallbeaWatts
Series 009.
† Does not indicate approval status. Refer to Page 2 for
approved sizes & models.
009QT-S
009M2QT
Test Cock No. 3
Test Cock No. 4
R.P. Zone
Water Outlet
Test Cock
No. 2
First Check
Module
Assembly
Second
Check
Module
Assembly
Relief Valve Assembly
Ball Type
Test Cocks
Now Available
WattsBox Insulated Enclosures.
For more information, send for literature ES-WB.
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Approval
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Engineer
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Approval
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Representative
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Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
NOTICE
Inquire with governing authorities for local installation
requirements