Watts LF009 - Manual

LF009
ES-LF009
Series LF009
Reduced Pressure Zone Assemblies
Sizes: 1 ⁄
4
" – 3" (8 – 80mm)
Series LF009 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 prevention of health hazard cross-
connections in piping systems or for containment at the service line
entrance.The LF009 features Lead Free* construction to comply with
Lead Free* installation requirements.
This series features two in-line, independent check valves, captured
springs and replaceable check seats with an intermediate relief valve.
Its compact modular design facilitates easy maintenance and assem-
bly 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
• Lead Free* cast copper silicon alloy 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 waterway exposed to
line fluids. Service of all internal components shall be through a single
access cover secured with stainless steel bolts. Body and shutoffs shall
be constructed using Lead Free* cast copper silicon alloy materials.
Lead Free* reduced pressure zone assembly shall comply with state
codes and standards, where applicable, requiring reduced lead content.
The assembly shall also include two resilient seated isolation valves,
four resilient seated test cocks and an air gap drain fitting. The assem-
bly shall meet the requirements of: USC; ASSE Std. 1013; AWWA Std.
C511; CSA B64.4. Shall be a Watts Series LF009.
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
For Health Hazard Applications
LEAD FREE
*
Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––– Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
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.
Now Available
WattsBox Insulated Enclosures.
For more information, send for literature ES-WB.
NOTICE
Inquire with governing authorities for local installation requirements
The information contained herein is not intended to replace the full
product installation and safety information available or the experience
of a trained product installer. You are required to thoroughly read all
installation instructions and product safety information before begin-
ning the installation of this product.
NOTICE