Please Note: This unit is ONLY for use with the EC (Electronically Controlled) Inline Duct fans.
Compatibility: Use Only with the EC Inline Duct FansUnit Dimensions: 3.4"H x 3.4"W x .5"D (86 x 86 x 13mm)Construction: White ABS Plastic Power Specifications Power Connection: Hardwired to the Fan Unit for Power (12V DC) Voltage: 12V DCControl Type: PWMWiring: 4-Conductor (18-22ga) between Fan Unit and Controller