User's Guide

Find the controller(Master) sensor. Hold the set
button for 10-15 seconds, the device will enter
unpairing mode.
The above two devices will unpair by themselves
and the light stops flashing.
Find the responder(Receiver) Gas/Water Valve.
Hold the set button for 10-15 seconds, the light
will flash red quickly.
When the sensor alerts, the Gas/Water Valve
will no longer turn off.
Unpairing
SET
Gas/ Water Valve
Model : YS4 907 -U C
Power : DC1 2V- 1.5 A
SET BUTTON
YS7903-UC Leak Sensor
Controller List
Continuously ..updating
16