Best Toilet Repair Kits Under $100 (2026)
We ranked kits by component completeness, material quality, compatibility with common household and commercial valves, ease of installation, and overall value score under $100
The Verdict
- Best Overall: Fluidmaster PerforMAX 3 in. Everything Toilet repair kit — Best for 3-inch valves: comprehensive 3-inch kit that focuses on modern toilet flush-valve repairs
- Best Value: Korky 3-inch Toilet Repair Kit — Best all-purpose toilet kit: 3-inch toilet repair kit with practical replacement parts for common home toilet fixes
Top Picks
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1
Best Overall Fluidmaster PerforMAX 3 in. Everything Toilet repair kit
Best for 3-inch valves: comprehensive 3-inch kit that focuses on modern toilet flush-valve repairs
Repair kit for 3 in. flush valve toilets with universal fit and included tools. Quick and easy installation with adjustable components; kit replaces multiple parts for a unified repair. Customer notes ease of installation and functional improvement
- universal 3 in. flush valve compatibility
- includes install tools
- adjustable water-use and height
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2
Sloan A-1104-A Diaphragm Rebuild Kit for Royal Flushometers
Best for commercial flushometers: diaphragm rebuild designed specifically for Royal-style flushometers with durable components
Diaphragm rebuild kit for Sloan Royal flushometers (1.28 GPF) with a PERMEX diaphragm. Includes components for rebuild and compatibility with Sloan Royal line. Customers note easy installation and complete kit for repair
- PERMEX synthetic rubber diaphragm
- chloramine resistance
- genuine Sloan parts
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3
Sloan A-1106-A Urinal Diaphragm Rebuild Kit (0.5 GPF)
Best for urinals: diaphragm rebuild kit tailored for 0.5 GPF urinal flushometers to restore reliable flush control
Sloan A-1106-A diaphragm rebuild kit for Royal flushometers with 0.5 GPF. Includes components for rebuild and features a chloramine-resistant PERMEX rubber diaphragm. Customer notes it fits well, is easy to install, and provides complete repair parts
- PERMEX rubber diaphragm
- chloramine resistance
- genuine Sloan parts
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4
Sloan A-1102-A Diaphragm Rebuild Performance Kit for Royal Flushometers
Best for mid-range flush volumes: performance diaphragm kit built for Royal flushometers handling 3–5 GPF ranges
Diaphragm rebuild kit for Sloan Royal flushometers with 3.5 GPF. Includes PERMEX synthetic rubber diaphragm for chloramine resistance and compatible components for repair. Customers note easy install and complete kit
- PERMEX rubber with chloramine resistance
- comprehensive rebuild kit contents
- genuine Sloan parts compatibility
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5
Sloan A-1101-A Royal Diaphragm Rebuild Kit (1.6 GPF)
Best for 1.6 GPF systems: diaphragm rebuild kit targeted at Royal flushometers calibrated to 1.6 GPF operation
Diaphragm rebuild kit for Sloan Royal flushometers with 1.6 GPF. Includes necessary components for a repair; features a PERMEX synthetic rubber diaphragm with a filtered bypass. Customers note easy installation and complete kit for repair
- permex rubber diaphragm
- compatibility with Sloan Royal line
- genuine Sloan parts
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6
Best Value Korky 3-inch Toilet Repair Kit
Best all-purpose toilet kit: 3-inch toilet repair kit with practical replacement parts for common home toilet fixes
Complete toilet repair kit for running, noisy, no/slow refill, and no/weak flush toilets. Easy to install and compatible with typical toilets; does not fit Kohler or 1-piece toilets
- all-in-one kit
- easy installation
- covers multiple toilet issues