Please let me know if there is something called a 9 8 drop in plumbing .it has something to do with the drainage system in kitchens and bathrooms.

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Originally Posted by sujatha

please let me know if there is something called a 9 8 drop in plumbing .it has something to do with the drainage system in kitchens and bathrooms.

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Are you referring to the slope,( 1/4" to the foot) in a drainage system that we give to drain pipes so gravity will do the job of draining the system?
Regards, tom