Carefully remove your tank lid, and place it gently on the floor.
You’ll notice a four-digit number located on the back of the tank, near the water level mark.
This is your tank model number.
If the number starts with a two, it is a one-piece toilet.
How do I know what color my American Standard toilet is?
The color. The number::Look under the water tank lid (on the bottom), or on the inside walls of the tank. * The number on the lid may or may not be the same as the in the tank or the number of the complete toilet model.
How do I know what model my Kohler toilet is?
Remove the lid of your toilet tank and check the inside of the tank for the Kohler model number. The model number always consists of four numbers beginning with a “3” or “4” and may or may not have a letter “K” preceding it.
How can you tell how old a toilet is?
Look inside the tank of the toilet in your home, there is a date stamped in the tank somewhere either on the inside of the tank near the top over the water line (thank god) or on the underside of the tank’s top. This is the date your toilet was manufactured.
Where do I find the model number on my Gerber toilet?
The model number for Gerber toilet tanks is located inside the tank, near the water line. The location and cast date are located inside the tank, near the water line. The manufacturing location is also located on the box.