5-pack K-GP1059291 Canister Flush Valve Seal
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5-pack K-GP1059291 Canister Flush Valve Seal
Key Features
- Package includes five seals.
- Constructed from a durable, chemical-resistant material.
- Engineered to create a secure seal at the base of the flush valve.
- Outer diameter is approximately 3.38 inches.
Replaces / Cross-Reference Part Numbers
- Direct equivalent for KOHLER part number K-GP1059291.
- Replaces original red or yellow colored seals.
Compatibility & Fitment
- Fits most KOHLER single-flush toilets equipped with a canister flush valve.
- Compatible with Class Five and Class Six canister toilets.
- Works with models such as the KOHLER K-4436 tank.
When to Replace
- If the toilet runs continuously after the tank has filled.
- When water is audibly or visibly leaking from the tank into the bowl.
- If the existing seal is cracked, warped, or visibly degraded.
Installation Tips
- Turn off the water supply and empty the toilet tank before beginning.
- The seal is located at the bottom of the canister flush valve assembly.
- Clean the valve base and sealing surface before installing the new seal.
- Ensure the new seal is seated flat and evenly to prevent leaks.
