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Description
K-GP1059291 Canister Flush Valve Seal - 5 PackK 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 Kohler: K GP1059291, GP1059291, 2475620, 1049291 Korky: 451 Compatibility & Fitment Fits most KOHLER single flush toilets equipped with a canister flush valve.
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
- Kohler: K-GP1059291, GP1059291, 2475620, 1049291
- Korky: 451
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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Perfect for Lattes
Size: 20 Ounces
Good for steaming 8-10 oz of milk. The nifty tool is good for scooping out your puck.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
Almost blew up my microwave
Size: 20 Ounces, Size: 20 Ounces
TL;DR "A hilarious microwave mistake turned into a great home cafe upgrade. This 20oz cup is straightforward to handle, looks incredibly professional, and holds a level of heat that will literally burn you if you aren't careful."
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Bought this for homemade coffee brewing, just to spice things up. But as I go ahead to heat up my new shiny stainless steel milk frother cup in the microwave, whoopdy doo. Ya can’t put stainless in the microwave! Regardless, it’s still a straightforward frother cup to handle, making it a great dollar investment for upgrading my home cafe setup.
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1. Spotless Stainless Steel: Its sleek appearance made me feel professional in the hands of an amateur like moi. Great quality!
2. Temperature Retention: I accidentally burnt myself because it stayed so hot, but that is a major positive. Proving the insulation works perfectly and keeps the milk piping hot.
3. Size: The 20oz capacity is accurate, providing the perfect amount of space for frothing without any overflow.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Sturdy
Size: 20 Ounces
Great pitcher
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Reviewed in the United States on January 20, 2026
★★★★★ 4
Decent pitcher
Size: 11.8 Ounces
Smaller than expected. I frothed 5 oz of milk and it was almost a mess.
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Reviewed in the United States on October 16, 2025
★★★★★ 5
Love
Size: 11.8 Ounces
Perfect size for making my Fredo cappuccino every morning. Throw it in the dishwasher look brand new everytime
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Reviewed in the United States on December 18, 2025