Wall Mounted Boiling Water Heater
3, 6, 8, 16 and 25 litre


Provides instant boiling water for preparing hot drinks in the workplace.

Click here to view our Wall Mounted Boiling Water Key Points Card



• Time saving – provides instant hot water so no need to wait for the kettle to boil
• Space saving – frees up worktop space by eliminating the need for a kettle
• Energy saving – no energy wasted boiling more water than is required
• Sophisticated electronics maintain a constant supply of hot water – even when the unit is automatically re-filling after heavy usage
• Stylish and compact design
• Simple to use and easy to install
• Heavy duty catering style chrome tap with lock-on option
• 1 year on-site warranty as standard
• 3 year on-site warranty available on request at additional cost
It is highly recommended that a filter system is fitted to protect against limescale build up. Units may need to be de-scaled regularly. Scale damage is not covered by the warranty (see Drinking Water Filter page).

Technical Specification

Outer Casing
White powder coated steel

Heating Element
2.4 kW, Incoloy-sheathed type element

Electronic to control water up to boiling point

Water Tank
5 year corrosion guarantee


Microboil Filter System
Optional extra – highly recommended.

See Drinking Water Filter page for filter options.

IP Rating

Recovery Rate
Recovery rate 140 cups/ 94 mugs cups per hour for all models based on 167 ml cup and 250 ml mug.

Install over a draining board, or work top fitted with a drip tray.

At least 40mm clearance must be left above the unit to allow later removal of the jacket for service.

Must be installed by a suitably qualified person.

Minimum water pressure 1 bar.

Maximum water pressure 12 bar.

Water Connection
Inlet/ Outlet 2 x 1/2" BSP male. Fittings required (not supplied): 2 x 15mm compression to 1/2" BSP female adaptor.
1 x tundish recommended.

Electrical Connection
Installation must comply with current IEE regulations.

The product should be connected to the fixed wiring of the property via a double pole fused spur with a minimum break capacity of 13 amps.

Cable pre-wired (1.5m) to the bottom left.

it is recommended the unit is descaled every 6 months.


Standard Warranty
1 year on-site warranty as standard.

3 year on-site warranty available at additional cost

Data Tables

Product CodeCapacity (litres)Initial Draw Off (cups/ mugs)*Heat Up TIme (mins)
MBS3318/ 128
MBS6636/ 2415
MBS8848/ 3221
MBS161696/ 6441
MBS2525150/ 10064

*Initial draw off based on 167 ml cup and 250 ml mug.

Product CodeHeight (mm)Width (mm)Depth (mm)*Weight (kg) EmptyWeight (kg) Full
MBS33702691535.6 8.6
MBS64203121717.2 14.8
MBS85103121718.7 17.2
MBS1654536421810.8 28.8
MBS2555041426412.3 37.8

*Depth excludes the tap, for depth including tap add 90mm


Spare parts are available through our stockists.

A list of spare parts available for our current range is shown below.

For further help or advice please contact our customer services team on 01924 225 200 - we can usually help, for example, help diagnosing which part you need, help if you require spare parts for obsolete models or if you need fast delivery.

Product CodeDescriptionSpare Parts for Product Code
MBELEMENTMicroboil element for 3 and 6 litre modelsMBS3, MBS6
MBELEMENT16Microboil element for 8, 16 and 25 litre modelsMBS8, MBS16, MBS25
MBSTAPMicroboil standard tap assembly (includes black handle and internals)MBS3, MBS6, MBS8, MBS16, MBS25
MBTAPSETFull tap set for Microboil (includes black handle and chrome spout)MBS3, MBS6, MBS8, MBS16, MBS25
MBPTAPSURROUNDMicroboil tap surround (tap backplate)MBS3, MBS6, MBS8, MBS16, MBS25
MBTAPDIAGMicroboil diaphragm for tap assemblyMBS3, MBS6, MBS8, MBS16, MBS25
MBSOLENOIDMicroboil solenoid valveMBS3, MBS6, MBS8, MBS16, MBS25
MBPPCBOARDMicroboil PC BoardMBS3, MBS6, MBS8, MBS16, MBS25
MBPCAPSEALKITMicroboil cap seal kitMBS3, MBS6, MBS8, MBS16, MBS25
MBPLEVELMicroboil level probeMBS3, MBS6, MBS8, MBS16, MBS25
MBPLEVELTUBEMicroboil level probe silicon tubeMBS3, MBS6, MBS8, MBS16, MBS25
MBPTHERMISTERMicroboil thermisterMBS3, MBS6, MBS8, MBS16, MBS25
MBPVENTMicroboil inlet/vent tubeMBS3, MBS6, MBS8, MBS16, MBS25