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Installation, Maintenance, & Repair
Series 719 and Series LF719
Double Check Valve Assembly
Sizes:
⁄
" – 2" (15 – 50mm)
1
2
!
WA R NING
You are required to thoroughly read all installation instructions
and product safety information before beginning the installa-
tion of this product. FAILURE TO COMPLY WITH PROPER
INSTALLATION AND MAINTENANCE INSTRUCTIONS
COULD RESULT IN PRODUCT FAILURE WHICH CAN
CAUSE PROPERTY DAMAGE, PERSONAL INJURY AND/
OR DEATH. Watts is not responsible for damages resulting from
improper installation and/or maintenance.
Local building or plumbing codes may require modifications to
the information provided. You are required to consult the local
building and plumbing codes prior to installation. If this informa-
tion is not consistent with local building or plumbing codes, the
local codes should be followed.
Need for Periodic Inspection/Maintenance: This product
must be tested periodically in compliance with local codes, but
at least once per year or more as service conditions warrant.
Corrosive water conditions, and/or unauthorized adjustments
or repair could render the product ineffective for the service in-
tended. Regular checking and cleaning of the product's internal
components helps assure maximum life and proper product
function.
1" 719QT and LF719QT
NOTE: For Australia and New Zealand: Pipeline strainers
should be installed between the upstream shutoff valve and the
inlet of the backflow preventer.
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, construc-
tion, specifications, or materials without prior notice and without
incurring any obligation to make such changes and modifica-
tions on Watts products previously or subsequently sold.
Testing
For field testing procedure, send for IS-TK-DP/DL,
IS-TK-9A, IS-TK-99E AND IS-TK-99D.
For other repair kits and service parts, send for PL-RP-BPD.
For technical assistance, contact your local Watts
representative.
RP/IS-719
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Related Manuals for Watts Golden Eagle 719 Series
Summary of Contents for Watts Golden Eagle 719 Series
- Page 1 For precise CAUSE PROPERTY DAMAGE, PERSONAL INJURY AND/ measurements, please contact Watts Technical Service. Watts OR DEATH. Watts is not responsible for damages resulting from reserves the right to change or modify product design, construc- improper installation and/or maintenance.
- Page 2 The size, quantities and design of parallel valve installations should be exactly in accordance with the engineer’s judgment and the published Best Practice Guide of Watts Regulator wherever pos- sible. For a copy of the Watts Best Practice Guide, call Watts at 1-800-617-3274. 719QT-S...
- Page 3 Service, Replacement Parts and Maintenance Series 719 and LF719 Double Check Valve Assemblies Repair Kits Servicing the First and Second Check Valves NOTE: Before servicing, be certain water is turned off or shutoff ⁄ " – 2" (15 – 50mm) valves are closed When ordering, specify ordering code number, kit number and valve size...
- Page 4 For additional cross-connection control information, send for F-50 brochure. Limited Warranty: Watts Regulator Co. (the “Company”) warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment.