Chemistries CLAROS                 800-227-4224

Service Protected

Broken Instrument?

Send An Instrument In For Repair

Technical Issues & Factory Repair

Help minimize your cost and maximize your uptime. This will ensure that instrument setup or application anomalies are not causing the perceived failure. Please contact us prior to sending an instrument in for repair.

Use the RMA Form for Repair Service >

Get On-Site Repair

Expert Direct Field Service

Over 95 expert Hach-employed field technicians, and three remote field depots supporting the domestic US, provide you with on-site repair, preventative maintenance and calibration services.
Contact Us For Field Service

Hach Technical Support USA

Industrial Customers Call
Phone: (866) 450-4248

Municipal Customers Call
Phone: (800) 227-4224


Not Broken?

Send An Instrument In For Maintenance

Calibration, Validation, & Preventative Maintenance

Not broken? Just need a preventative maintenance or calibration performed at our Hach repair center? To send in your instrument use the service request form below. If you are looking for long-term savings in maintaining your instrument see our Hach ServicePlus Partnership Program
Use the RMA Form for Repair Service >

Hach service staff
Hach Service

RMA Request Information


Please fill out the following information completely and submit.
Within 24 hours you should receive an email containing your return shipping label and your return for service authorization number.


More Information

Contact Us

Hach Technical Support
Industrial Customers Call
Phone: (866) 450-4248
Municipal Customers Call
Phone: (800) 227-4224

ServicePlus Program

Hach's ServicePlus Program offers flexible, comprehensive services that will ultimately reduce your maintenance costs while ensuring you meet your regulatory requirements with instrumentation operating at peak performance. Download the brochure

State of the Art Factory Service Centers

Two factory service centers provide expert support, repair, calibration and preventative maintenance of your Hach analyzers. One is in Loveland, Colorado the other is in Ames, Iowa.

Rental and Loaner Returns

Hach service can provide rental and loaner instruments for select models. Contact us for more details. The below links will submit a request for a required return label for your rental or loaner.

Rental Return Label
Loaner Return Label

Factory Refurbished Products

The Hach Service Department offers a limited range of factory renewed products for sale at reduced prices. See our Refurbished Instrument Program.

Request a Quote

Request a quote for your customized service.