A macerator unit is a compact appliance fitted behind or below a toilet, basin or shower that grinds solid waste and pumps the resulting slurry through small bore pressurised pipework to the main soil stack. They are widely used to add additional bathrooms in lofts, basements and rear extensions where conventional gravity drainage is impractical. UK installations must comply with Building Regulations Part H1 and Part G, and at least one conventional WC connected to a gravity drain is generally required on the property. Macerators are sensitive to wipes, sanitary products and excessive cleaning chemicals, all of which can cause jamming. Regular descaling and inspection by a competent engineer help extend service life. Reliable manufacturers provide replacement parts and authorised servicing across Greater London.
Macerator unit
Small pump and grinder under a toilet or basin that lifts waste through narrow pipework.
