Buying Guides
Definitive Guide to Choosing a Sanitary Grinder According to Your Installation
3 minutes of reading
By Mariona Griera
February 24, 2025
If you want to install a bathroom in a garage, a kitchen in an office, or a laundry room in a basement without major construction work, Maldic sanitary grinders and evacuation pumps are the perfect solution. These electric devices grind and pump wastewater to the main drain, allowing you to place sanitary fixtures and appliances in locations where the plumbing system does not naturally permit it.
But, which model do you need? In this guide, we explain which Maldic grinder to choose according to the installation you wish to carry out.
What installation do you need?
Complete bathroom with standard toilet
If you need to install a complete bathroom with a conventional toilet in homes, commercial premises, basements, or garages, the suitable models are:
Featured product
Maldic SENSE V4 Sanitary Macerator for Complete Bathroom with 4 Inlets
Maldic SENSE V4 Sanitary Macerator for a complete bathroom with 4 inlets. Allows waste disposal from toilet, sink, shower, and bidet. Reach of 8m vertically and 80m horizontally.
- Vertical discharge 8m and horizontal 80m
- Four inlets for a complete bathroom
- Noise level comparable to a cistern
€194.75€467.40
Featured product
Maldic SENSE V4 UP Sanitary Macerator for Complete Bathroom with 4 Inlets
The Maldic SENSE V4 UP macerator is ideal for installing a complete bathroom with 4 inlets. It allows efficient waste removal with easy access for repairs thanks to its top hatch.
- 4 inlets: toilet, washbasin, shower, and bidet
- Vertical discharge up to 8 m and horizontal up to 80 m
- Easy maintenance access with top hatch
€256.25€501.84
Allow connection:
Standard toilet + Sink (washbasin) + Bidet + Shower tray.
Ideal applications:
Bathrooms in homes without nearby drainage, installations in commercial premises or offices, and renovations without the need for major works.
Complete bathroom with suspended toilet
If your bathroom will feature a wall-hung toilet for a modern and designer installation, you need a specific grinder for this type of installation.
Featured product
Maldic SENSE V4 Compact Sanitary Grinder for Complete Bathrooms with Wall-Hung Toilet
The Maldic SENSE V4 Compact macerator is a built-in solution designed for complete bathrooms with a wall-hung toilet, allowing the disposal of wastewater from up to 4 connections. Ideal for optimising space and maintaining aesthetics.
- Designed to be embedded and concealed in a partition wall
- 4 connections for wall-hung toilet, washbasin, shower, and bidet
- Vertical discharge up to 8 m and horizontal discharge up to 80 m
€369.00€736.77
Allows connection:
Wall-hung toilet + Washbasin (sink) + Bidet + Shower tray.
Ideal applications:
Renovations in modern bathrooms, installations in offices or homes, and spaces where a minimalist design is required.
Kitchen and laundry
If you need to move your kitchen, install a laundry room in a garage, or create a water area in an office, the right grinder is:
Featured product
Maldic BOLT V3 Evacuation Pump for Kitchens and Laundries
The Maldic BOLT V3 evacuation pump is ideal for kitchens and utility rooms, capable of evacuating dirty, soapy, and hot water from appliances such as sinks, dishwashers, and washing machines. It offers powerful vertical and horizontal evacuation.
- Vertical evacuation up to 8 m and horizontal up to 80 m
- Three inlets for multiple appliances
- Low noise level, similar to that of a cistern
€235.74€467.40
Allows connection:
Sink + Dishwasher + Washing Machine.
Ideal applications:
Relocation of kitchens without plumbing renovation, installation of laundry rooms in basements or garages, and offices with auxiliary kitchen or coffee area.
Shower tray
If you only need to drain the water from a shower tray and a sink in an auxiliary bathroom, a locker room, or in any renovation where you want to add a shower tray, the ideal model is:
Featured product
Maldic BOLT S Shower Drain Pump for Shower Trays
The evacuation pump Maldic BOLT S Shower is compact and designed to collect wastewater from shower trays and sinks. Ideal for installing showers in locations without traditional drainage.
- Vertical evacuation up to 7 m and horizontal up to 70 m
- Two inlets for shower and sink
- Compact and low noise level
€194.75€397.29
Allows connection:
Shower tray + Washbasin (sink).
Ideal applications:
Installation of showers in gyms or locker rooms, renovations in bathrooms without modifying the main downpipe, and homes with auxiliary bathrooms on upper floors.
Simple installation and easy maintenance
Maldic sanitary grinders are designed for quick and hassle-free installation:
- Connect them to the corresponding toilet or appliance.
- Link the inlet and outlet water pipes.
- Connect it to the electrical current and it will be ready to operate.
Each model includes all the necessary accessories and adapters, so you won't need additional parts to get it up and running.
Where to buy your Maldic sanitary grinder
If you already know which model you need, you can buy it directly from our online store. Transform any space without the need for major renovations and enjoy the convenience of a bathroom, kitchen, or laundry room where you need it.
Summary: Which Maldic model to choose
✔ Complete bathroom with standard toilet: SENSE V4 or SENSE V4 UP
✔ Complete bathroom with suspended toilet: SENSE V4 COMPACT
✔ Kitchen, laundry room, or gray water area: BOLT V3
✔ Shower tray and/or sink (washbasin): BOLT S SHOWER
With Maldic, installing a bathroom or kitchen without construction work is easier than ever. Choose the right model and make your purchase today!
Returns within 30 days
Shop with peace of mind. If something goes wrong, we'll take care of it.
After-sales service
Any questions? Our support team will be happy to help you.
Pay how and when you want
Card, bank transfer, PayPal... Installment? We have them all.
GroupSumi is your online distributor for construction, electrical material and climate control.
All rights reserved © 2025 GroupSumi