Had the plumbers out a year ago to swap this toilet. A year later they can back out and told us the sub floor needs replaced. How messed up is it? : r/askaplumber
O-Ring Joint – Logan Clay Pipe
Sewer vs. Sewist - Threads
PDF) Wastewater Pipe Defect Rating Model for Pipe Maintenance Using Natural Language Processing
Valterra Soft Sewer Gasket Sponge Ring in Black - F02-4600