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The JONES STEPHENS SC100500K is a pressure-assist cartridge designed as a replacement component for Flushmate-style pressure-assisted toilet tanks. This cartridge serves as the core flushing mechanism inside the tank, using pressurized water to deliver a high-force flush rather than relying on gravity alone. It is installed by licensed plumbers and experienced service technicians performing toilet repairs in residential and light commercial settings. Made in the USA, this replacement cartridge restores proper flush performance to pressure-assist toilet systems without requiring a full tank or fixture replacement.
This cartridge fits American Standard and Gerber toilet models that use Flushmate pressure-assist tanks. It is suited for repair situations where the existing cartridge has failed, resulting in weak flush performance, incomplete flushing, or failure to pressurize. Plumbers working on pressure-assist toilet repairs will find this a direct-fit replacement for those specific tank brands. Note: this is not a genuine Sloan-branded part, though it is designed to function as a compatible replacement in the applicable Flushmate tank configurations.
Designed to fit American Standard and Gerber toilet tanks equipped with Flushmate pressure-assist systems. This is not a genuine Sloan part and is not intended for all Flushmate configurations — confirm tank brand and model before installation.
Installation should be performed by a licensed plumber familiar with pressure-assist toilet systems. Shut off the water supply to the toilet and flush to fully depressurize the tank before beginning any disassembly. Pressure-assist systems retain internal pressure even when the supply valve is closed, so allow adequate time for full pressure release before removing the cartridge. Follow all applicable local plumbing codes, including IPC guidelines, when servicing toilet flush mechanisms.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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