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The Johnson Controls T-4756-205 is a pneumatic room thermostat designed for effective temperature control in heating and cooling systems. With a reverse acting capability of fifteen psi and a direct acting capability of twenty psi, this thermostat is suitable for high volume output applications.
This thermostat allows for automatic changeover between direct and reverse actions when supply pressure changes. Suitable for both heating and cooling systems, it is ideal for HVAC professionals who need reliable controls.
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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