First, we all know that the OP had every intention of adding the toilet as an asset, or he would not have asked. Second, we all agree that a toilet alone is a pretty unlikely item to be added as an asset. If somebody wanted to know the CCA class of a new drain plug for a sink, I for one am not going to lead him down the garden path, and give him a class number. We try for a certain responsibility here. Telling him how to claim from $10.00 to 20.00 a year for a $500 toilet is just sad. An that is assuming it wasn't a $160.00 carpenter special.
A toilet alone is never going to be added as an asset other than in new construction and he gets a much better bang for his buck by expensing it. Sometimes, just answering the question does the OP no service at all.