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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 to install a replacement SIM card in the hardware for the Reactor Connect mobile app
In this video we explain how to replace the SIM card in the Reactor Connect mobile app hardware kit.
What daily maintenance is needed for the Fusion mechanical purge (MP) spray gun?
In this video we explain how to perform the daily maintenance of your Graco Fusion MP spray gun.
How do I maintain the ClearShot gun manifold and ClearShot Prime?
In this video we explain how to maintain and prime the Fusion ClearShot gun manifold.
Reactor 2: Resistance control mode
Also referred to as "Resistance Mode", Resistance Control Mode (RCM) is Graco's new, patent pending, heated hose temperature control technology.
What is my spray pattern telling me?
Based on the spray pattern of your foam, you can diagnose and correct pressure imbalances.
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 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.
