Most systems will not require cleaning if they are operated and maintained properly, including regular oil changes. However, if a system is improperly started or shut down or allowed to overheat it may require some degree of cleaning. If fluids are not changed regularly and degradation is allowed to set in, systems can require moderate to extensive cleaning to remove carbon and sludge. We have a complete line of system cleaners that will return even severely fouled systems to like-new condition.
Learning Center
Proper Fluid Maintenance and Change-Out Procedures
With literally thousands of uses for heat transfer fluids, it ... Read more

Duratherm Recommended Sampling Procedures and Intervals
Duratherm fluids are engineered to have a long service life ... Read more

What’s the Difference Between a Flush and a System Cleaner?
We’re often asked for a flushing fluid when what’s really ... Read more
Duratherm Fluid Analysis: the Best Just Got Better
Duratherm has always offered one of the most thorough fluid
Fluid Maintenance: Large Systems
Routine fluid analysis is an essential maintenance tool for any
Leaky System? Simple Steps Help Seal the Deal
If you've invested in a quality heat transfer fluid the