Combo Natural Ventilation Control for Airstream TC5 Series Pricefy Phason's Natural Ventilation Control (NVC-2)

Phason's Natural Ventilation Control (NVC-2) automatically controls the temperature in a room by operating a curtain machine and heater or furnace according to your programmed settings

Automatic temperature-based control

Get convenience and peace of mind from the Green Machine from J&D Manufacturing

Heavy "V" stitching on back pockets

The Phason Supra-Touch is an easy-to-use climate controller for up to four independent zones

Combo Natural Ventilation Control for Airstream TC5 Series Pricefy Phason's Natural Ventilation Control (NVC-2)Airstream Combo Natural Vent Control (TC5 2NF6A) for the TC5 Series. It is used for environmental control in livestock buildings. It allows the user to maintain a specified target temperature by controlling the operation of ventilation and heating equipment. Two stages of variable speed fans, two stages of constant speed fans, as well as curtains, foggers, and heaters can be connected to the controller. Functions 1 or 2 heat 2 variable 2 on off 2