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Reactor support
Get the best out of your Reactor. The ultimate guide to effective foam and polyurea spraying
Everything you need to know about foam & polyurea spraying
To get the best results from your system, you need to understand it. On these pages you will find all essential information needed to ensure the quality of your spraying results and the reliability and long life of your Reactor. It covers everything from extended manuals to frequently asked questions and practical tips & tricks.
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Featured Reactor support articles
How do I update Reactor 2 software to the latest version?
Use this guide to install system software updates on your Graco Reactor 2.
What is the benefit of preheating material before the pump on the low-pressure side?
Preheating the material before it runs through the pump helps achieve high-quality spray results.
What is my spray pattern telling me?
Based on the spray pattern of your foam, you can diagnose and correct pressure imbalances.
What causes a bad spray pattern from the tip?
When spraying foam and polyurea, bad spray patterns from the tip can occur. What are the causes?
How do I remove trapped air from the system?
Use this guide to help you remove air from your spray foam system, with minimal downtime.
How do I know if there is air in the feed hose?
Air in the feed hose affects spray results and must be avoided. But how can you recognise it?
How do I get the best performance from the heated hose?
By applying a few best practices, you can improve the performance of your heated hoses and Reactor.
How do I adjust my pattern size on the CS gun?
Check this video and learn how to adjust the pattern size on your CS gun.
How do I properly shut down, flush, and store my pneumatic Graco Reactor?
Proper shutdown of your pneumatic Graco Reactor is crucial for the reliability of your system and the quality of the spraying result.
