DIY Doctor UK DIY Forums

Can any one advice i have at the moment a downstairs shower on a concrete floor that has a pump fitted to the waste outlet and discharges into a 15mm pipe the waste plug is the same as any other shower.
My question is can i change the shower tray still using the waste system??

Should not be a problem. Sounds like you have a macerator type water discharge pump that pumps the waste water up and out. If so this will not be a problem.