Description
ERGO 11 non-electric volumetric water softener for homes and small businesses
ERGO 11 is a compact volumetric water softener designed to reduce limescale caused by hard water. It is suitable for domestic use and for small professional premises such as bars, cafés, offices, gyms, beauty salons, B&Bs, small restaurants and other light commercial installations.
This water softener is also practical for plumbers and installation technicians because it works without an electrical power supply, uses a hydraulic valve, includes a bypass and has an integrated hardness mixing valve.
Who is this water softener for?
- Homes and apartments: to help protect boilers, washing machines, dishwashers, taps, showers and pipes from limescale deposits.
- Small bars and cafés: useful where hard water can affect equipment, taps, glassware and daily cleaning.
- Offices and small workplaces: for improved water comfort and reduced limescale problems in shared facilities.
- Gyms and beauty salons: for showers, taps and water-using equipment exposed to hard water.
- B&Bs and small hospitality businesses: for better guest comfort and easier maintenance of bathrooms and appliances.
- Plumbers and installers: compact system with clear installation parameters, hydraulic operation and fast regeneration.
Main advantages
- Non-electric operation: the hydraulic ERGO valve works without electrical power.
- Volumetric regeneration: regeneration is based on water consumption, not only on time.
- Fast regeneration: approx. 15 minutes.
- Low salt consumption: designed to reduce operating costs.
- Low water consumption during regeneration: approx. 25 L.
- High flow: working flow up to 2.1 m3/h.
- Compact dimensions: 608 x 500 x 297 mm.
- Standard bypass included: useful for installation and service operations.
- Hardness mixing valve: allows adjustment of residual hardness.
- Easy access to salt tank: compatible with salt tablets or salt blocks.
Why soften water?
Hard water can create limescale deposits inside pipes, boilers, water heaters, taps, showers, dishwashers, washing machines and other appliances. Over time, this may reduce efficiency, increase cleaning effort and shorten the useful life of equipment.
A water softener helps protect the plumbing system and appliances by reducing hardness before scale builds up. Softened water can also improve comfort in the shower, help keep taps and sanitary surfaces cleaner, and reduce the use of anti-limescale cleaning products.
Benefits for home and business users
- Helps protect pipes and plumbing components from limescale build-up.
- Helps boilers, dishwashers and washing machines work in better conditions.
- Can reduce the need for anti-limescale cleaning chemicals.
- Helps keep taps, toilets, shower screens and glassware cleaner.
- Improves water comfort for showers and washing.
- Useful for small businesses where limescale creates daily maintenance problems.
For plumbers and installers
ERGO 11 is designed with installation and maintenance in mind. The non-electric hydraulic valve simplifies installation where a nearby electrical outlet is not available. The standard bypass allows the user or technician to isolate the equipment when needed, while the hardness mixing valve helps adjust the final hardness according to the installation requirements.
- Hydraulic non-electric valve: no power supply required.
- DIRECT ACCESS system: easier programming and commissioning.
- SAVING REGEN system: reduced water and salt consumption.
- SPEED REGEN system: quick regeneration in approx. 15 minutes.
- HIGH FLOW system: designed for domestic and light commercial demand.
- Bypass and hardness mixing valve: useful for commissioning, service and residual hardness adjustment.
Important installation notes
- Installation should be carried out by a qualified plumber or water treatment technician.
- Check available space before purchase: 608 x 500 x 297 mm.
- Check inlet pressure: 1.7-8 bar.
- Protect the unit from freezing.
- Final sizing depends on water hardness, daily consumption and the type of installation.
- For drinking water applications, always follow local regulations and installation best practices.
ERGO 11 videos
Watch the product introduction, installation and commissioning videos below.
Intro: ERGO water softener
Open the ERGO introduction video on YouTube
Installation: ERGO water softener
Open the ERGO installation video on YouTube
Commissioning: ERGO water softener start-up
Open the ERGO commissioning video on YouTube
Technical specifications
- Model: ERGO 11
- Type: volumetric water softener
- Operation: hydraulic, non-electric
- Resin volume: 10.5 L, ERGO 11 class
- Working flow: 2.1 m3/h
- Exchange capacity: 23.7 ºHF x m3
- Regeneration salt consumption: 0.36 kg per regeneration
- Water consumption for regeneration: approx. 25 L
- Regeneration duration: approx. 15 minutes
- Maximum hardness: 73 ºHF
- Temperature range: 1.7-45 ºC
- Protection: protect against freezing
- Inlet pressure: 1.7-8 bar
- Dimensions: 608 x 500 x 297 mm
- Weight: 22.7 kg
Treated water volume by hardness
The volume of treated water between regenerations depends on incoming water hardness. Indicative values:
- 15 ºF: approx. 1.250 m3
- 20 ºF: approx. 0.938 m3
- 25 ºF: approx. 0.750 m3
- 30 ºF: approx. 0.625 m3
- 40 ºF: approx. 0.469 m3
- 50 ºF: approx. 0.375 m3
- 60 ºF: approx. 0.313 m3
ERGO water softener parts
The ERGO system includes:
- SAVING REGEN system: low water and salt consumption.
- DIRECT ACCESS: non-electric ERGO valve designed for easy commissioning.
- HIGH FLOW resin: designed for compact installations with good working flow.
- Salt valve with safety floating valve.
- Fine Mesh compact monosphere resin bed.
- Heavy-duty injection-molded plastic housing.
- Salt tank suitable for salt tablets or salt blocks.
Installation manual
Full installation manual for ERGO water softener in English and French:
Download ERGO installation manual PDF
Frequently asked questions
Does ERGO 11 need electricity?
No. ERGO 11 uses a hydraulic non-electric valve and works without an electrical power supply.
Is ERGO 11 suitable for small bars, cafés and offices?
Yes. ERGO 11 is suitable for many small professional premises, including cafés, bars, offices, gyms, beauty salons and B&Bs. Final suitability depends on water hardness, daily water use and installation conditions.
Can a plumber install this water softener?
Yes. Installation should be carried out by a qualified plumber or water treatment technician. The unit includes features useful for installers, such as a bypass, hardness mixing valve and non-electric hydraulic operation.
Is it suitable for a family home?
Yes. ERGO 11 is designed for home use and is typically suitable for small to medium domestic installations. The correct size depends on hardness and consumption.
How long does regeneration take?
Regeneration takes approximately 15 minutes.
What type of salt can be used?
The salt tank allows the use of salt tablets or salt blocks, according to the installation and maintenance instructions.
If you do not need to soften all the water in the building
If you only need better water for drinking and cooking, you may consider an under-sink drinking water filtration system or a reverse osmosis system instead. These solutions treat water at the kitchen tap, while a water softener treats water for the wider plumbing system.
Related alternatives
Not sure you need a whole-house water softener?
If you only need better water for drinking, cooking or one specific point of use, these alternatives may be more suitable. They do not replace a whole-house softener, but they can be a practical solution for kitchens, offices, cafés and small professional spaces.
Aquaphor Crystal H under-counter water filter with softening
A compact under-sink filtration system with a softening cartridge. Recommended when the main goal is to improve water for drinking and cooking at the kitchen tap.
RO400 direct-flow tankless reverse osmosis system 400 GPD
A high-flow tankless reverse osmosis system for drinking water. Suitable for homes, offices, cafés and small businesses that need purified water without a storage tank.
Tip: choose ERGO 11 when you want limescale protection for the plumbing system and appliances. Choose an under-sink filter or reverse osmosis system when you mainly need better water at the kitchen tap.
This post is also available in: Italiano (Italian)









