If it was my mother in law handling it, they would deny they know anything about it.Most of the leaks from upstairs in my rentals come from pipes in the walls, for buildings over 50 years old, pretty common, people who didn't know how to use shower curtains, defective shower doors etc.

@Dawit Demissie and @LuAnn Leighton - I usually do NOT recommend quitclaims deeds, except to cure title defects.  

Your post says, "It is a manufacturing fault and a new toilet needs to be installed"  Does that mean it is a manufacturing defect? 

Somebody wanting to sue for you backing out of a bad deal or accusing you of selling them a property with defects like unknown termite damage).

Protections for tenants is codified in NRS 118A.AB 421 – Effective October 1, 2019 This bill makes significant changes in NRS 40 related to constructional defects.

Or leaving behind their defective beat up crap. 

If you dont do this your vinyl will show the floor  defects in time. 

@Nikola MagdelinicTitle insurance just protects you against “unknown” issues/defects with title.

Seems hard to expect a reasonable person (even a professional) to find a defect which has been obscured by the seller. 

What about in the future if there are construction defects, should I protect myself for that?