Customers existing garbage disposal was not working and their master bathroom sink had a very slow drain. Remove existing garbage disposal and install new Insinkerator disposal. Tie into existing undersink plumbing. Remove p-trap in master bathroom and clean out pop up assembly and trap assembly. Reset existing trap. No leaks present. No warranty on drain cleaning. Thank you for choosing CPI. Note: Tied disposal drain in directly to disposal as it was installed before. Recommend customer has hole drilled in countertop for air gap installation.