Replacement A-dec® Routing Toggle Valve “Side Barb”, Black Selector / Routing Valve, (A-dec® #33.0104.03) Fits Century® II manual control systems Panel mounting 15/32-32 thread with nut Routes signal air Port barbs for 1/8" O.D. tubing Exhausting valve, for air only Replaces 24V Volt/150 Watt bulbs in older 6300 lights A-dec® and Century® are a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.