- Description
- Tech Specs
- Reviews
Zip DEX12 Instantaneous Water Heater
Zip DEX12 Instantaneous Water Heater is a compact instantaneous water heater providing warm water on demand without a storage tank, ideal for basins and small sinks.
Key features & specifications
- 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
Perfect for cloakrooms, WCs and utility areas where space is limited.
MODEL | DEX12 |
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).

