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Standard 1/2" NPT valves like this are rated for a maximum inlet pressure of 1/2 PSI (14" WC)
even in demanding steam services reaching up to 425°F
maintaining the integrity of the original equipment manufacturer’s specifications
Often referred to as a freeze-stat
Always verify the controller's input requirements before installation
Carrier 33ZCVVTZC-01 Controller 340793-762 Standard 1/2" NPT valves likeThe Carrier 33ZCVVTZC 01 is a high performance VVT4 Zone Controller engineered for precise climate management in single duct air terminal applications. As a direct replacement for the 33ZCVVTZC 01TEC, this unit integrates seamlessly into the Carrier ComfortID system and 3V Control System to handle terminals up to 9000 CFM. It utilizes advanced Proportional Integral Derivative (PID) control logic to maintain tight temperature setpoints, ensuring