Customer Support

Xylem's analytical instruments are used in numerous applications worldwide. Browse our Customer Support Hub to get the most out of our products. Gain insight and learn best practices from our technical support, service, and application engineering team with the options below.

ysi customer support brands

ask a question
product service
software firmware downloads
find a distributor
videos
resource library
how to order
recycling and disposal
warranty

consult our water experts

consult expert laboratory

Our laboratory experts are available to help with everything from instrument selection to application support for various applications.

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consult expert environmental

Our technology experts are available to help with everything from instrument selection to data management.

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consult expert municipal

Our municipal experts are available to help with everything from instrument selection to application support for wastewater and drinking water treatment.

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Technical Support

ysi support

YSI, a Xylem brand
8 am - 5 pm ET
+1 (937) 688-4255
ysi.info@xylem.com


sontek support

SonTek, a Xylem brand
+1 858-546-8327
inquiry@sontek.com


oi support

OI Analytical, a Xylem brand
+1 979-690-1711
oi-info@xylem.com


gwi support

Global Water Instruments, a Xylem brand
+1 979-690-1711
tech.support@xylem.com


bs support

Bellingham + Stanley, a Xylem brand
+1 678-804-5730
service.bs.us@xylem.com


Winter Maintenance Special Banner

For a limited time, we’re offering discounted pricing on maintenance for EXO Sondes and ProDSS Handheld Meters. Check out our Winter Maintenance Special.