Table of Contents
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Before You Begin
B
Visit our Valve Controller 1 support page on our
website, for the latest installation guides,
additional resources, information and videos by
visiting:
www.shop.yosmart.com/pages/valve-
controller-1-product-support
Or by scanning the QR code:
Download the most current version of the user
guide by scanning the QR code:
02
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Table of Contents
Troubleshooting
Need help?
Do you have a question about the YS4909-UC and is the answer not in the manual?
Questions and answers