Grundfos Toilet macerator · your observations
Which fitting was used before the unit changed?
List the connected toilet, basin, shower or other fixtures already present and identify the unit. WC macerators, greywater pumps and lifting stations are different products with different applications.
Pumping continues beyond its usual pattern
Identify the last connected fitting used. Flow, activation or pumping questions depend on the exact unit. Stop connected use if waste backs up; leave the casing closed and do not add drain chemicals.
Some uses work and others do not
Write down the selection and result on each occasion you already observed. One successful programme does not explain away a recurring difficulty or identify the part responsible.
If the last use was interrupted
Say whether someone cancelled the programme, power was interrupted or the appliance stopped by itself. Those are different starting points; timing alone cannot establish the cause.
Before discussing a replacement
Retain the existing unit reference and fitted arrangement. A similar width or brand badge does not establish that a new product is compatible with existing connections.
The Grundfos reference
Identify the exact pumping product and the fixtures already connected. WC-waste handling and greywater applications must not be combined simply because the maker’s name matches.
At your Shirley address
Give the full service postcode and describe the actual fitted access in Shirley. CR0 is a broad postal reference. This guide does not establish a separate branch, service boundary or agreed attendance.
Discuss the proposed work
Call 0800 037 4915 with the model and sequence of events. Suitable work, charges and a Monday–Thursday appointment are checked for the individual request.