Advanced DRN4 Control Technologies (ACI) DRN4. Refurbished.

Advanced DRN4 Control Technologies (ACI) DRN4, Multiple Input/Resistive Output-Motor Mount. Refurbished. 0 to 135 Ohm. Multiple DDC Signal Input to Proportional Resistance Output. DRN 4. Use caution when replacing access panel. Excess pressure could change switch settings when sliding it closed. I do have a new one of these. Check DRN4.1 Free US Shipping.