How do I know if my Kohler toilet is class 5?

Author: Marianna Brakus  |  Last update: Saturday, December 13, 2025

All two-piece toilets that have a 2-inch flapper use fill valve GP1138930. Toilets that have a 3¼-inch flapper are Class Five® toilets.

How can I tell what type of Kohler toilet I have?

On a gray sticker on the back of the toiletInside of the left rear access panelOn the backside of the lidUnderneath the vitreous shell Record your serial number and contact the Customer Care Center at 1-800-4KOHLER (1-800-456-4537). They will be able to determine your toilet's model number from the serial number.

What is the difference between Kohler AquaPiston and Class 5?

The patented AquaPiston flush valve harnesses the force of gravity to send 360 degrees of water into the system—increasing the power of the flush without wasting water. Class Five flushing technology offers virtually plug-free performance and rinsing power for a clean bowl.

Is Kohler Cimarron a class 5 toilet?

Cimarron® Comfort Height(R) elongated 1.28 gpf toilet with Class Five(R) technology and left-hand trip lever, less seat.

How do I know what kind of toilet I have?

Remove the lid of the toilet tank. Look inside the lid for the model number or inside the toilet tank. The model number may be printed on either of these surfaces.

Repair Kohler Class 5 Toilet: Part GP1078441

What are the three main types of toilet?

What are the 3 types of toilet?
  • Close-coupled Toilet. The most prevalent toilet found in the UK is the close-coupled model. ...
  • Back to Wall Toilet. Back to wall toilets are a wonderful choice for smaller bathrooms, as the cistern can be concealed inside a wall cavity or piece of furniture if required. ...
  • Wall-hung Toilet.

How old is my Kohler toilet?

The manufacture date, if present, is often stamped inside the tank on the back wall or on the bottom of the tank lid.

Which Kohler toilets are class 5?

Toilets that have a 3¼-inch flapper are Class Five® toilets.

Is Kohler or Toto better?

Who is better TOTO or Kohler? TOTO surpasses Kohler in several aspects, making it the superior choice for bathroom fixtures. TOTO products are known for their cutting-edge technology, offering innovative features like water-saving mechanisms and advanced bidet functionality.

What is the life expectancy of a Kohler toilet?

Kohler toilets have a ten-year life expectancy.

What toilet has the strongest flushing power?

Discover Top-Rated Toilets With Impressive Strongest Flush
  • Toto Drake Two Piece Elongated Toilet (Strongest Flush) ...
  • Kohler Wellworth (Second Strongest Flush) ...
  • American Standard Champion IV. ...
  • Contrac Carlin RF 4.8L Lined Toilet. ...
  • Cleo One Piece Dual Flush (4.6L/12″ Rough-In)

What is a Kohler class 6 toilet?

The manufacturer's latest toilet technology is the new precision-engineered Class Six flushing. The unit optimizes the power of jet action to remove bulk waste with 100% of the flushing water being fed through the rim, blending bulk removal and bowl washing.

Why does my Kohler toilet only flush when I hold the handle down?

If the toilet doesn't flush completely unless you hold the handle down for the entire flush cycle, it's usually because the flapper is not fully lifting away from the flush valve. This problem is caused by too much slack in the lifting chain that connects the flush lever to the flapper.

What model is my KOHLER?

The model number on a KOHLER engine is located on a silver decal, which is typically attached to the blower housing of the engine. In addition to the model number, this decal will also include specification and serial numbers. Enter the model number of your Kohler Engines below to search for parts.

Which KOHLER color is lighter biscuit or almond?

A: The biscuit is lighter than almond, not darker. Had to return the biscuit and reorder. Thank you for your feedback!

How do I know what toilet will fit?

Measure from the wall behind the toilet to the center of one of the closet bolts (which hold the toilet down). If the toilet has four closet bolts, measure to the center of one of the rear ones. Then measure from the center of the mounting holes to the back of the new toilet you're considering.

What do plumbers say is the best toilet?

Brands that Plumbers Suggest in 2024

Toto: A Japanese brand that is often praised for its advanced flushing technology and water-saving features. TOTO toilets are known for their efficiency and durability. American Standard: This brand is recognized for its quality and variety.

What is the high end Kohler brand?

KALLISTA is known for its luxury offering of faucets and fixtures thoughtfully created for tasteful, full-suite kitchen and bath solutions.

Why are Kohler toilets so expensive?

There are several reasons, the biggest being their commitment to using high quality materials Kohler's dedication to craftmanship, R&D, The strong reputation and brand recognition and advertising. This blog looks at the answers behind Kohler's perceived high cost.

How do I tell what type of Kohler toilet I have?

KOHLER and STERLING product model numbers may be found in several places:
  1. Product label on the box in which the product was packaged.
  2. Product literature, such as a homeowners guide, installation instructions, or specification sheet.
  3. An invoice or receipt from the place of purchase.
  4. Stamped directly onto the product itself.

Is 360 flush better?

Utilizing this swirling motion, Revolution 360 keeps the bowl cleaner, longer than a conventional flush. Kohler's team of engineers engaged experiment and Computational Fluid Dynamics methods to study, improve and perfect even the smallest details to ensure complete rinsing of the entire bowl surface.

What is the difference between gravity flush and pressure flush?

Gravity flush toilets have a mechanism that uses the weight of the water in the tank to create a siphon, pulling waste from the bowl and into the drain. Pressure-assisted toilets use compressed air and provide a forceful flush, effectively removing waste even with a lower water volume.

How do you tell what type of toilet you have?

Finding your toilet manufacturer and/or model number: Carefully remove the toilet tank lid and set it gently on the floor, with the bottom facing up. Look for the manufacturer name or a number on the bottom side of the water tank lid.

How long do Kohler toilets last?

You can expect a Kohler toilet to last anywhere from 20-40 years depending on your family size and usage frequency. The median lifespan being roughly 30 years from the models shown below.

Does Kohler have lifetime warranty on toilets?

If your talking about the flush valve your replacing, if this is a canister style Kohler flush valve the red gasket just needs to be replaced not pulling the tank to do it if it's just leaking by if that's your issue. That being said, the toilet has a lifetime warranty from Kohler.

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