

The WATTS Double Check Valve LF719-QT-2 is a reliable backflow prevention device designed for commercial and industrial applications. This model ensures safe water supply by preventing contamination, making it essential for plumbing systems. Regular maintenance and quality spare parts are crucial for optimal performance and longevity.
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WATTS Double Check Valve LF719-QT-2
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Integrate maintenance plans directly into your work orders in MaintainX.
1 Yearly Double Check Valve Inspection
Warning: This inspection requires trained personnel with PPE!
Is the valve in working condition?
If valve is not in working condition, report the issues to the maintenance team and stop the procedure
Check for corrosive water conditions
Check for unauthorized adjustments or repairs
Enter the valve pressure reading
Did the valve pass the post-inspection test?
Issues found during the test
Sign off on the valve inspection
Double Check Valve Service
NOTICE! Before servicing, be certain water is turned off or shutoff valves are closed
Close shutoff valves up and downstream of the valve
Loosen the check valve cover with an appropriate sized wrench
Unscrew the check valve cover and lift off
Remove spring
Lift out disc holder assembly from body of valve
Reverse the seat disc
Replace seat module
Insert disc holder assembly back into seat module
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