Easy Replacement & Wide Compatibility

Designed to fit a wide range of pressure-assisted toilet systems.

Compatible with select models, including:

• Flushmate M-101526-F3HGK, M-101526-F3HMK, M-101526-F3HCK, M-101526-F3, M101526-F31, M-101526-F31K, M-101526-F32, M-101526-F33, M-101526-F3BK
• KOHLER MODEL K-3505 Wellworth EL, K-3493 Highline EL
• GERBER MODEL 21-311 Ultra Flush EL, 21-312 Ultra Flush EL, 21-314 Ultra Flush EL, 21-300 Ultra Flush RD, 21-302 Ultra Flush RD, 21-304 Ultra Flush RD, 21-317 Ultra Flush EL Raised, 21-318 Ultra Flush EL Raised, 21-319 Ultra Flush EL Raised, 21-324 Ultra Flush EL Raised
• MANSFIELD MODEL 148-123 Quantum EL Raised, 146-123 Quantum RD, 144-123 Quantum EL Wall Mount, 147-123 Quantum EL

Perfect for upgrading or replacing existing pressure-assisted units without major modifications.

WARNING BEWARE OF THIRD PARTY SELLERS SELLING COUNTERFIT PRODUCT OF OURS, INSURE YOU ARE PURCHASING FROM OUR WEBSITE OR AN APPROVED WHOLESALE COMPANY TO GET WARRANTY. 

For replacing B8100 to the B8106s, this will convert your system from a dual flush to single flush unit, it is the stronger flush of the dual, the unit will fit inside tank as it is smaller in length for easier installation. see our video in how to change out vessel in our support tap in drop down under helpful video tutorials.

Most tanks are left handed tanks however if you have a right handed tank please make sure you select the right handed option. You determine if it is a left handed or right handed by facing the tank not standing behind the tank.  For customers with Gerber toilets please ensure to contact Gerber for tank to bowl gasket. For all American Standard toilets contact American Standard for tank to bowl gaskets.