Frequently Asked Questions

Does the tap dispense true boiling water?

Yes. The Maris Water Hub delivers genuine 100°C filtered boiling water directly from the tap.

Is the filter included?

Yes. Every Maris Water Hub includes the Franke Pro M Filter.

Can I upgrade to filtered cold water later?

Yes. The electronic version can be upgraded to a 4-in-1 system with the optional Franke 4-in-1 Filtration Kit.

Does it replace my kettle?

Yes. Most customers find the instant boiling water function removes the need for a traditional kettle entirely.

Which tank size should I choose?

The standard 4L tank is suitable for most homes. The optional 7L tank is recommended where greater demand is expected or where only a cold-water supply is available.

Franke Maris Water Hub – FAQ

What is the Franke Maris Water Hub?

The Franke Maris Water Hub is a 3-in-1 boiling water kitchen tap that provides:

• Standard hot water
• Standard cold water
• Instant 100°C boiling filtered water

All from one single tap.

Does it deliver true 100°C boiling water?

Yes. The Maris Water Hub dispenses genuine 100°C boiling water from its insulated under-sink tank — ideal for tea, coffee and cooking.

Why choose the Franke Maris Water Hub instead of a kettle?

Because it is:

• More convenient – instant boiling water
• More energy efficient than repeatedly boiling a kettle
• Heats only what you use
• Better for energy bills
• Better for the environment
• Frees up worktop space
• Safer (no lifting heavy kettles)

A kettle reheats from cold every time. The Maris stores hot water efficiently and only dispenses what you need.

Is the Franke Maris Water Hub energy efficient?

Yes.

• Insulated tank reduces heat loss
• Avoids repeated full boils
• Only heats what’s required

This can reduce electricity waste compared to daily kettle use.

What tank sizes are available?

The Maris Water Hub is available with:

• 4 litre tank – ideal for most households
• 7 litre tank – ideal for larger families

Recovery time after full use is approximately:

• 8 minutes (4L)
• 15 minutes (7L)

Does it come with a filter?

Yes. It includes a Franke Pro M filter which:

• Improves taste
• Reduces limescale
• Protects the boiler system
• Maintains performance

How often should the filter be changed?

• Maximum every 12 months
• Sooner in hard water areas

Regular filter changes help maintain warranty and efficiency.

What water pressure is required?

The Franke Maris Water Hub requires:

• Minimum 1 bar
• Maximum 5 bar

Not suitable for low pressure gravity systems without a booster pump.

Does it need electricity?

Yes.

• Requires a 230V electrical supply
• Standard UK connection

Is it safe for families?

Yes.

• Controlled boiling water activation
• Automatic shut-off
• Child-safe operation (electronic models)

The boiling function stops immediately when released.

How much space is needed under the sink?

The tank requires approximately:

• 229mm diameter
• 340mm height

You will need cupboard space for the tank and filter.

What warranty is included?

• 2 year manufacturer warranty
• Subject to correct installation and filter maintenance

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Let me know which one helps you grow fastest 🚀-Can I retrofit and convert my Franke Maris Water Hub 3-in-1 Electronic Tap to a 4-in-1 tap?

Yes! Simply purchase a Franke Maris Water Hub 4-in-1 Filtration Kit

I only have a cold water feed -should I purchase this tap? is it compatible?

Does this Boiling Tap work if I have a Gravity-fed system?

Yes! You just need to purchase the Franke Warm Water Support feature, which enables Water Hub taps to deliver warm water even without access to mains hot water, such as in gravity-fed systems. By blending boiling water from the tank with the mains cold feed, it ensures a comfortable temperature of up to 55°C for your convenience.

Does This Tap's Handle/Lever Move Backwards?

- No

Where are the Franke Omni 3-in-1, Omni 4-in-1 and Franke Minerva 3-in-1 and 4-in-1 taps?

These have been discontinued so the new Maris Water Hub Tap 3-in-1 and 4-in-1 taps are the new replacement models!

Why Choose the Franke Maris Water Hub?

• Instant 100°C filtered boiling water
  
• Standard hot and cold mains water supply
  
• Upgradeable from 3-in-1 to 4-in-1
  
• Electronic operation with intuitive illuminated controls
  
• Includes 4L boiler tank and Franke Pro M Filter
  
• Available with optional 7L tank
  
• Premium Franke engineering and design
  
• Removes the need for a traditional kettle
  
• Energy-efficient tank with A Energy Rating
  
• 180° swivel spout for greater flexibility
  
• Available in Decor Steel, Matt Black and Chrome
  

• 4 Litre: Fact Sheet
• 7 Litre: Fact Sheet

Technical Specifications

Tap Features

• Product Family: Maris
  
• Installation Type: Deck Mounted
  
• Operation: Electronic Push Button
  
• Tap Rotation: 180°
  
• Spout Type: Swivel
  
• Pressure Requirement: High Pressure
  
• Fixation Type: Shank
  

Tank Options

Standard Tank

• Capacity: 4 Litres
  
• Energy Rating: A
  

Optional Larger Tank

• Capacity: 7 Litres
  
• Recommended where only a cold-water feed is available, such as office kitchens, garden rooms and outbuildings.
  

Dimensions

• Height: 388mm
  
• Tap Hole Diameter: 35mm
  
• Cartridge Size: 35mm
  
• Water Supply Connection: 3/8"
  
• Hose Length: 500mm
  

Install & User Guide Manual