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Yolink YS4909-UC Manual page 13

Gas/water valve controller
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2. Get Ready
Turn the ball valve to OPEN status
1
(keep the center axis of ball valve
aligned to the water pipe)
Loosen the two screws on the two
2
handle-suppor ng bolts
L o o s e n t h e b ra c ket s i nto t wo
3
separate parts (carefully place the
two bolts aside)
10

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