the B-2908 1830 uses Bobrick's "2S" tab design (per Bobrick's tech data sheet
SM Collar - For Models 0468
1" Pressure Reducing Valve
Non-irritating formula and light scent can be used frequently in a variety of settings
✅ Durable stainless steel construction with an attractive brushed finish
American Standard Exposed Flush Valve, Top Spud, DC, 1.6 GPF, 115 In, Flush Valve - 6065161.002 color-matte the B-2908 1830 uses Bobrick'sAmerican Standard Exposed Flush Valve, Top Spud, DC, 1. 6 GPF, 115 In, Flush Valve 6065161. 002 For flushometer bowls with 1 1 2 inch (38 mm) exposed top spud 5 year CR P2 lithium battery installed in valve Touchless operation limits the spread of germs Exclusive DynaClean self cleaning wiper spring technology Integral wiper spring cleans refill orifice with every flush to help prevent valve run on Fully mechanical manual override can operate without