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The Johnson Controls T-4002-5009 is an essential calibration tool designed for precision adjustments on T-3300 and T-4000 series pneumatic thermostats. This tool includes mounting hardware for easy installation.
Experience seamless utility with a tool built for optimal compatibility with Johnson Controls pneumatic systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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