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Hi, there! Thank you for asking about the Gerber 20-021 elongated toilet. To mount this toilet on your bathroom wall, you will be needing the following tools: adjustable wrench, carpenter's level, sealant, tape measure, regular screwdriver, neoprene gasket, bolts, and cap nuts. You can check these tools by following this link. For detailed instructions on installing this toilet, you may check this manual. We hope this helps. Thank you for seeking answers here at PlumbersStock! Have a great day!

Hi! Thank you for posting your query on the Gerber 20-021 Maxwell wall-hung toilet. Yes, the placements are mostly the same, all located at the corners of the toilet. However, the bolt number would depend on the model series and the brand of your toilet. There are other toilets that have 4 bolts while others have two, depending on their installations. We hope this information helps. To purchase, click “Add to Cart”, and fill up the information needed. Thank you for choosing PlumbersStock. Have an exceptional day!

Hi! Thank you for taking interest in our Gerber 20-021 Maxwell elongated toilet. Yes, you can mount this toilet on a Case 3000 wall bracket but you would need to update the installation of this Case 3000 to a modern 4-bolt carrier. The Case 3000 model is a bracket-mount, two-bolt only toilet. Most wall-hung toilets, such as this Gerber 20-021, use a 4-bolt carrier, unless you are going for the in-wall system. Take a look at this installation manual for important details on installing the item. Hope this helps! If you don't have this Gerber 20-021 toilet yet and are interested to place an order, just click on Add to Cart. Enter your zip code to get a shipping cost estimate and proceed to checkout to begin the ordering process. Thank you for choosing PlumbersStock.com as your online shopping buddy. Please don't hesitate to ask us if you have further questions. Have a nice day!

Case 3200 will work without opening the wall. I had to move the upper two bolts down for the 7.5” installation but didnt have to touch the bracket mounting itself.

Hi there! We value your interest in our Gerber 20-021 Maxwell Two-Piece Wall Hung Back Outlet Elongated Toilet. What is the model number of the American Standard Wall-Hung Toilet that you are replacing? If you wish to replace it with the Gerber toilet, you may want to check the bolt pattern before ordering anything. Gerber's bolt pattern might not match the existing one that you have. Please see the line drawings on page 2 of this specification sheet and compare them. You can also take a look at the Installation Manual. It would be best if you could give us the model number of your American Standard Toilet so we can see if this would be a compatible replacement. We will wait for your reply. Should you have further questions, please let us know. Thank you for contacting Plumbersstock.com! Have a nice day!