Watts LFU009 - Manual

ES-LFU009
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, request literature ES-WB.
For Health Hazard Applications
Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––– Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––
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.
LEAD FREE
*
* The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
Series LFU009
Reduced Pressure Zone Assemblies
Sizes: 1 ⁄
2
" – 2" (15 – 50mm)
Series LFU009 Reduced Pressure Zone Assemblies are designed to pro-
tect potable water supplies in accordance with national plumbing codes
and water authority requirements. The swivel feature in the series allows
for it to 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.
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 ⁄
2
"– 1" (15 – 25mm) shutoffs have tee handles. The
LFU009 features Lead Free* construction to comply with Lead Free*
installation requirements.
Features
• Unique swivel union
• 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
• Cast copper silicon alloy body construction for durability
• Ball valve test cocks — screwdriver slotted
• 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. Lead Free* reduced pressure zone assemblies shall
be constructed using Lead Free* materials. Lead Free assemblies shall
comply with state codes and standards, where applicable, requiring
reduced lead content. The assembly shall consist of an internal pres-
sure differential relief valve located in a zone between two positive seat-
ing 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. 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 require-
ments of: USC Manual 8th Edition † ; ASSE Std. 1013; AWWA Std. C511;
CSA B64.4. Shall be a Watts Series LFU009.
† Does not indicate approval status. Refer to Page 2 for approved
sizes & models.
1 1 ⁄
2
" LFU009M2