Overview of Primary Product

For Health Hazard Applications
E
S-009
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ob Location
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pproval
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Engineer
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Approval
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Series 009
Reduced Pressure Zone Assemblies
Sizes:
1
⁄4" – 3" (8 – 80mm)
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
can be used in a variety of installations, including the preven-
tion of health hazard cross connections in piping systems or
for containment at the service line entrance.
This series features two in-line, independent check valves,
captured springs and replaceable check seats with an inter-
mediate relief valve. Its compact modular design facilitates
easy maintenance and assembly access. Sizes
1
⁄4" – 1"
(8 – 25mm) 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" (8 – 50mm)
• Fused epoxy coated cast iron body 2
1
⁄2" and 3" (65 and 80mm)
• Ball valve test cocks — screwdriver slotted
1
⁄4" – 2" (8 – 50mm)
• 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 water-
way 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 fitting. The assembly shall meet
the requirements of: USC Manual 8th Edition
†
; ASSE Std.
1013; AWWA Std. C511; CSA B64.4. Shall be a Watts
Regulator Co. Series 009.
†Does not indicate approval status. Refer to Page 2 for approved
sizes & models.
1
⁄2" (15mm) 009QT
2" (50mm) 009M2QTHC
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
IMPORTANT: INQUIRE WITH GOVERNING AUTHORITIES
FOR LOCAL INSTALLATION REQUIREMENTS
Now Available
WattsBox Insulated Enclosures.
For more information, send for literature ES-WB.
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.