One consideration is that older toilets are very likely less water efficient. You may want to consider a new toilet to save on your water bill. I believe the Niagara Stealth is the most water efficient toilet out there. We installed one in our home. https://niagaracorp.com/resource-library/technology/stealth/
Ask a question in our Q&A forum. Experts are standing by.
Ask now
One consideration is that older toilets are very likely less water efficient. You may want to consider a new toilet to save on your water bill. I believe the Niagara Stealth is the most water efficient toilet out there. We installed one in our home. https://niagaracorp.com/resource-library/technology/stealth/