UPC stands for; Uniform Plumbing Code. Are you sure it doesn't say: URC? That Stands for Universal Rundell Corp. It is a toilet company.
ANS 2 - Generally, unless it's a very unusual toilet, you will find it easier and almost same cost to renew the entire assembly rather than just the tank.
You need an upflush toilet.
The width of a toilet tank can vary in size. The average width of a toilet tank is about 18 inches.
You need your septic tank cleaned out.
They are called tank bolts.
Toilet tank
You would need to pour the water into the bowl.
Will a American standard toilet tank fit a glacier bay toilet
The age of a toilet doesn't matter. As long as it retains its integrity it is okay. The insides of the tank workings may need replacing. And the seal around the base of the toilet may need to be replaced as well.
The tank above your toilet.
Probably it is due to the size of the toilet tank. If the toilet is a low flow, or under 2 gallons per flush, the tank will be considerably smaller than an older toilet tank, which might hold as much as 25 gallons. The only critical thing in istalling a toilet is if the drain pipe lines up with the drain opening. Unless you move the toilet drain, the new toilet is going to sit in the same place. If you have a gap between the wall and the tank, you might want to put a block of wood or something to help anchor the tank. Newer tanks are smaller due to the reduced water need with the current flushing technology.
seal to stop water from runing into tank located between tank and bowk
A toilet tank made by a different brand may not fit properly, so it is better to get the same brand.