B8106S1.6 GPF (6 Lpf) Pressure Assisted Flush System Single Control may be used for B8106 & B8100, the body size is smallerin length but is compatible with the for B8106 units

B8106S Pressure Assist Tank. Replacement Only. Left Hand Unit. If You Have A Right Hand Unit You Need To Order B8106-06R Flush Control Valve. If Your Porcelain Unit is American Standard or Gerber You Need To Contact them For The Tank To Bowl Gasket. The Gasket That Comes With This Replacement Unit Will Not Fit.