2-pack K-GP1059291 Canister Flush Valve Seal
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2-pack K-GP1059291 Canister Flush Valve Seal
Key Features
- Package contains two seals
- Material: Chemical-resistant silicone
- Outer Diameter: 3.35 inches (8.5cm)
- Inner Diameter: 2.6 inches (6.6cm)
- Replaces original red or yellow colored seals
Replaces / Cross-Reference Part Numbers
- K-GP1059291
- GP1059291
Compatibility & Fitment
- Fits KOHLER single-flush canister toilets
- Designed for toilets with Class 5 and Class 6 flush systems
- Compatible with tank model K-4436
When to Replace
- Toilet runs constantly or leaks water from the tank into the bowl
- Flush is weak or incomplete
- Existing seal is visibly worn, cracked, or warped
Installation Tips
- Turn off the water supply before installation
- Flush the toilet to drain the tank completely
- Remove the canister mechanism to access the seal
- Clean the valve base and canister surfaces before installing the new seal
- Ensure the new seal is seated flat and is not twisted
