Maintaining optimal performance

Thermo Scientific Barnstead Lab Water Purification Systems are designed to operate easily and reliably.  Our service, maintenance and support organization can help keep it running effortlessly, so you can focus on your science.

World class expertise and global reach

As the world leader in serving science and part of the Thermo Fisher Scientific organization, we are ready to serve you with more than 2,000 highly trained Unity Lab Services technical professionals globally. Our organization has been serving our customers for more than 50 years and our engineers have an average of 18 years of experience operating and maintaining instruments we service. Each field engineer who works on your instrument is OEM factory trained and certified on that specific instrument, so you can be confident in your audit-readiness with regular service. You will receive consistent, high-quality installation, maintenance and repair for your lab water purification system with the world-class expertise of the Unity Lab Services team.  

Service plans

Your lab equipment performance is crucial to the overall productivity of your lab, and there’s no time for downtime when it comes to science. Unity Lab Services lab equipment service plans offer a 50% faster response and up to 50% remote resolution when compared to customers without a service plan.


Service plan customers also get priority access to our original equipment manufacturer (OEM) trained and certified technical specialists through enhanced remote support tools — you’ll get front-of-the-line service from our experts who know your equipment best. For repairs requiring on-site corrective services, we offer faster varied response targets to meet your unique needs.


Finally, our service plans ensure you receive annual preventive maintenance to help increase equipment uptime, so you can feel confident that your equipment is performing according to specifications.

The Unity Lab Services advantage – Superior quality service to get you up and running faster

The following lab equipment service plans are available for your lab water purification system. One-year and multi-year options are available for service plans. Total Care Warranty is valid for the duration of the factory warranty.

*Corrective maintenance: Repair of equipment and/or replacement of parts, if required.

**Guaranteed response time from receipt of PO. Only available in select locations.

***Subject to availability.

Compliance services

Maintaining compliance and audit-readiness in regulated environments takes significant time and resources, and we are uniquely prepared to provide this service efficiently and on your behalf. Our comprehensive suite of compliance services can increase your lab’s performance, ensure system functionality, and minimize the risk of failed audits for your lab water purification system. 

Preventative maintenance

Annual preventive maintence visits are included in Total Care Warranty, Tech Direct service plan, and Total Care service plan. Additional preventive maintence visits can be purchased upon request.

Installation qualification (IQ)

Documented verification that equipment is installed to manufacturers’ recommendations and/or user requirements.

Operation qualification (OQ)

Documented verification that equipment (as installed) is operating as intended to manufacturer’s specifications.

Replacement parts

Our eStore offers convenient online purchasing of thousands of replacement parts for your lab water purification system. From the store you can search by model, SKU, or part number for the most frequently requested parts.