3 in 1 Boiling Water Tap
2.4 litre


A competitively priced 3 in 1 boiling water tap which provides near boiling 98°C water for tea, coffee and many kitchen uses and a standard kitchen hot and cold mixer all from a single tap. This makes it ideal for retro-fit applications as well as new kitchens.



• Creates a clutter free and simplified design within any kitchen
• Time and space saving
• Filtered near boiling 98°C water ideal for a wide range of kitchen uses (filter included)
• Polished chrome or brushed nickel finish
• Swan or square neck spout
• Cool touch insulated tap with 180° swivel function
• Safety lock on the boiling side with spring-back tap handle
• Elongated mixer lever for ease of use total length 115 mm length from centre 90 mm
• Kitchen mixer on RHS and boiling handle on LHS of tap
• 2.4 litre compact tank, saves on cupboard space
• Power rating 1.5 kW
• Use with the Zen crossover valve to create a 4 in 1 tap by adding filtered drinking water
• Easy to install
• 98°C water flow rate 1.2 litres per minute
• Digital temperature display on tank with ready/ heating indicator
• Choose from a number of temperature settings between 90°C and 98°C
• Standard sink hot and cold mixer supplied from your existing hot and mains cold water supply
• Consider installing a Speedflow to provide hot water for dish washing if there is no central heating system nearby
• The Sigma tap should be mounted over a sink. Not suitable for use with a Zen font and drain.

Technical Specification

Outer Casing
Tap – polished chrome or brushed nickel finish, swan or square neck
Tank – Powder coated steel

Water Tank
Stainless steel


Initial Draw off
10 cups/ 6 mugs based on 167 ml cup and 250 ml mug

Recovery Rate
80 cups/ 48 mugs per hour

Heat Up Time
9 minutes from cold to 98°C
6 minutes after initial draw off to 98°C

Overheat temperature protection.
Safety lock mechanism.

The supplied filter must be installed and replaced every 6 months or 2000 litres or the warranty may be void
Replacement filter cartridge available (SIGMACAR)

IP Rating

This appliance must be installed in a frost free environment
Required hole diameter for mounting tap 32mm – fits in a standard sink.
Sink/ counter top up to 50mm thick.
Open vented system means slight delay in dispensing 98°C water after the spring-back tap handle has been turned on

Must be installed by a suitably qualified person.
Intended for connection to the mains water supply.
Minimum water pressure 1.5 bar.
Maximum water pressure 5 bar.
If higher than this a pressure reducing valve may be required.

Electrical Connection
Installation must comply with current IEE wiring regulations.

Supplied with kettle lead (1.3m cable and 13 amp UK plug)


Standard Warranty
1 year parts or replacement warranty.

Data Tables

Product CodeTap NeckTap Finish
SIGMASSwanPolished Chrome
SIGMAQSquarePolished Chrome
SIGMASBNSwanBrushed Nickel
SIGMAQBNSquareBrushed Nickel
Product CodeHeight (mm)Width (mm)Depth (mm)Weight (kg) EmptyWeight (kg) Full
Sigma Tank2651901904.06.4

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