Russound A-SZ4 A-Bus Subzone Module 156267312893 Vacuum Switch has wear from

Vacuum Switch has wear from previous use including scuffs and scratches

Manufacturer Advanced Energy Model Number ID 3501 SKU 19-26672 Ref 23-33795

Manufacturer New Focus Model Number 2011 SKU 19-52714 Ref 23-74330

Manufacturer Tektronix Model Number OTS 9030 SKU 19-67004 Ref 23-95235

but unit will have internal stains and residue

Russound A-SZ4 A-Bus Subzone Module 156267312893 Vacuum Switch has wear fromCondition Used Description This item is fully tested and in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. Includes Subzone Module as pictured. No additional items or accessories are included. Unless pictured, no power adapter power cable included. Photos are of the actual unit for sale. Inventory is on hand and ready to ship. Please feel free