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Zip DEX12 Instantaneous Water Heater

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Zip DEX12 Instantaneous Water Heater

  • Instantaneous Water Heater

  • Power Rating 6.6 - 11.0kW (Variable)

  • Fully electronically Controlled

  • Single or multiple Outlets

  • LCD key control Panel

Availability: In stock

Delivery Time:   1-2 Days

Warranty:   1 Year

Quick Code:   10386

Ex. VAT: £376.71 Inc. VAT: £452.05


The DEX12 is sufficient enough to supply enough hot water to a shower and a sink simultaneously

This instantaneous water heater is an ideal solution for supplying single or multiple outlets,  It will maintain an exact temperature even when the inlet water pressure fluctuates.  It is also suitable for use when the water is pre-heated from a solar heated system or other heating system up to a water temperature of 70ºC.


The DEX12 has an adjustable power setting between 8.8kW & 11kW this is selected at time of installation.


The  required outlet temperature can be entered on a keypad within the range 20°C to 55°C and can be read off the digital display.


 - A constant supply of hot water at the temperature selected
 - Provides a constant supply of hot water to one or more outlets
 - automatically switches on/off with the flow rate is high or low
 - Regulates power consumption electronically
 - Precise temperature control even when there are fluctuations in water pressure or voltage
 - Variable power rating at time of installation between 8.8kW & 11kW
 - Bare wire heating element 
 - The required outlet temperature can be set via two touch sensitive keys
 - Temperature range 20°C to 55°C with digital display
 - Enables selection of two pre-programmed temperature settings
 - Single Phase

Download Attachment
pdfUser Manual (1.37 MB )Download


Nominal supply voltage 1/N/PE 230V~
Power Rating (kW) 8.8  to 11.0 (adjustable)
Rated Current (A) 38 (8.8kW) -  48 (11.0kW)
Element type Bare wire
Rated pressure 1 MPa (10 bar)
Temperature adjustment range 20° C - 55° C
Maximum inlet temperature 25° C
Minimum flow rate (l/min) 2.5
Maximum flow rate (l/min) 5.0
Flow rate @ 38° C (l/min) 4.8 (8.8kW) -  6.1 (11.0kW)
Flow rate @ 50° C (l/min) 3.3 (8.8kW) - 4.1 (11.0kW)
Pressure loss @ 2.5 l/min 0.2 bar
Pressure loss @ 9.0 l/min 1.3 bar
Required specific water resistance @ 15° C >1300 ohm.cm
Dimensions H x W x D (mm) 466 x 231 x 97
Maximum weight (kg) 3.7
Rated volume (litres) 0.4
Water connections (BSP) 1/2”
Protection class IP25

All data quoted at nominal supply voltage. Standard European voltage tolerances of -6% to + 10% may be applied. A minimum water pressure of 0.2 MPa (2 bar) is recommended for optimum performance. The appliance must not be subject to more than 1 MPa (10 bar).

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A. We have a technical tab please click on that it will give you dimensions, weight and more technical information


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We check our prices constantly to ensure we are unbeaten, however if you do manage to find it cheaper elsewhere we will price match. Please contact us.

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You may cancel your order prior to dispatch or within 14 days of delivery. Notification of cancellation must be in writing, you can do this here. You cannot cancel your order via telephone. (This is in accordance with the Distance Selling Regulations 2000).

If you choose to cancel your order you are responsible for the cost of returning the goods back to us, unless we have delivered the goods to you in error. All items must be returned undamaged, in their original packaging and in a re-saleable condition. We ask that the goods are returned within 14 days of your return request. If you fail to return the goods, we reserve the right to charge for the cost of collection and you are legally obliged to make them freely available for collection. Returned goods may also incur a re-stocking fee depending on the item.

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