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For A/C and commercial refrigeration products
Installation & troubleshooting
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The essential tool for HVACR pros
Ref Tools - your new pocket assistant
This multi-tool includes the popular Refrigerant Slider, Troubleshooter, Magnetic Tool – and more. We are constantly updating Ref Tools with new functionalities.
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Step-by-step troubleshooting infographics
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Helpful video playlists
With more than 1.8 million views, our 500+ videos have proven to be a valuable tool for installers worldwide. Check out these popular playlists.
How a TXV works
Animated walk-through of a thermostatic expansion valve's functions.
HVACR distillery episode 1
Why compressors fail - and what you can do about it.
Solenoid coils for flammable refrigerants
Quick installation walk-through