Enviro-tec PE-27-0041 Control

The Enviro-tec PE-27-0041 Control is a critical 120V component designed for precise fan speed management in high-performance HVAC systems. As the direct engineering update for the legacy 66-001-1000, this 1/6HP fan speed controller provides seamless integration for CFR (Constant Flow Rate) and VFR (Variable Flow Rate) applications. It is specifically calibrated to handle the voltage-sensitive requirements of small induction motors, ensuring stable airflow regulation without the common issues of motor hum or resonant vibration often found in lower-tier aftermarket controls. For contractors performing HVAC system troubleshooting, this OEM part maintains the electronic profile necessary to protect motor windings while delivering linear speed response. This 120V HVAC motor control is a standard replacement in Enviro-tec VAV terminals and fan coil units, where maintaining specific static pressure and CFM targets is non-negotiable for system balance.

• OEM Compatibility: Direct drop-in replacement for the 66-001-1000, ensuring no bracket or wiring modifications are needed.
• Precision CFR/VFR Logic: Optimized for 1/6HP motors to provide consistent speed steps and prevent motor overheating.
• Voltage Stability: Built for 120V motor speed control, maintaining tight tolerances even during line voltage fluctuations.
• Industrial Build Quality: Heavy-duty circuitry designed to withstand the thermal stress of continuous-duty air handlers.

Is the PE-27-0041 backwards compatible with old Enviro-tec units?
Yes, this is the official updated version of the 66-001-1000. It utilizes the same mounting footprint and terminal designations, making it the preferred choice for HVAC replacement parts in existing installations.

Can this control be used with motors larger than 1/6HP?
This specific control is rated for 1/6HP. Using it with higher horsepower motors will exceed the ampacity of the board, leading to premature component failure. Always verify the motor nameplate before installation.

What is the difference between CFR and VFR settings on this board?
The board is designed to support both Constant Flow Rate and Variable Flow Rate sequences. Use it to dial in exact blower speeds for static pressure balancing or to allow the system to modulate based on external call signals.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.