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The LARSEN SUPPLY CO., INC. 2652848 is a replacement ballcock designed to restore proper fill function in Kohler 1B1X-style toilet tanks. The ballcock controls water refill after each flush by opening to allow tank fill and shutting off at the correct water level. This unit is a direct OEM-style replacement, packaged individually on a card. Licensed plumbers and experienced DIYers install this part during toilet rebuild service when the existing ballcock is worn, cracked, or no longer seating properly.
This ballcock is intended for use in Kohler low-boy toilet tanks that originally used the 1B1X fill valve configuration. Low-boy tanks are common in residential applications where vertical clearance is limited. The replacement is sold as a single ballcock unit only, without additional tank hardware. Installation is straightforward and does not require specialized tools beyond basic hand tools and a towel or bucket to manage residual water in the tank.
Designed as a replacement for the Kohler 1B1X-style ballcock used in many Kohler low-boy toilets. Replaces OEM Kohler reference number 84499.
Installation should be performed by a licensed plumber or qualified service technician familiar with toilet tank repair. Before beginning, shut off the water supply at the angle stop valve below the toilet and flush the tank to drain residual water. Disconnect the supply line and remove the old ballcock before installing the replacement. Verify proper water level adjustment after installation and inspect all connections for leaks before returning the fixture to service.
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