The Varifan® Environment Control System has automatic temperature ramping with 0.2° F resolution accuracy. It has full torque start (4 sec.) and is PC- or network- compatible.

Multifan included alarms for Hi/Lo temperature, loss of power and defective control. This control will maintain its settings after power loss and includes a timer on minimum speed.

Features:

• Manufacturer's 2-year warranty
• Choice of 8 motor curves
• Accurate inlet positioning with or without potentiometer feedback
• Easy installation with larger isolated power compartment
• Most effective lightning protection
• Optional humidity probe

12" probe included on all models.