The PSP4271C is a professional-grade 4 Heat / 2 Cool programmable thermostat designed for commercial HVAC systems. It delivers precise multi-stage control, flexible scheduling, and advanced security features for reliable and efficient building climate management.

• 4 Heat / 2 Cool compatibility for multi-stage HVAC systems
• 7-day programmable scheduling with up to 4 daily time periods
• Advanced staging controls for optimized system performance
• Optional Wi-Fi module with remote access and holiday programming
• Enhanced security with keypad lock and locking ring support
• Smart fan operation and system protection with fault detection alerts