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HAKL MK-2 Model Series
Electric, electronically controlled instant water heater intended for connection to a water supply system for multiple consumption points.

Ideal for connection to a water supply system
HAKL MK-2 is intended for connection to a water supply system for single or multiple consumption points for utility riser shafts, cottages or small social facilities.


Click and choose a model:
HAKL MK-2 with a standard tap
sink shower
under sink combined
 
HAKL MK-2 with a lever tap
sink shower
under sink combined
Main advantages of the HAKL MK-2 Model:
– Possibility to connect the heater to a water supply system for multiple consumption
   points;
– Heater is connected to two phases, at 7 / 9 / 11 kW, it divides the electric load
   between two phases;
– High-efficiency heating of hot water even in large-volume flows;
– Electronic safety cut-out against the burning of the heating element by the penetration    of an air bubble to the water supply system (e.g., when the water supply is stopped);
– Alarm light for a voltage drop in the electric network; flashing signals a drop in voltage,
   as well as incorrect functioning of the heater;
– Thermal overload protection shuts down the heating element if the temperature of the    inlet water increases, in order to prevent subsequent boiling of the water and damage
   of the heating element;
– Level of protection IP45 ensures safe operation in a wet environment, meaning,
   according to the STN standard, that the heater may be installed directly in a shower box
   or in an open area (pergola, summer terrace...);
– Minimum water pressure on operation is set from 0.05 Mpa (0.5 bar), also allowing
   installation of the heater by connecting it to a variable pressure water treatment device.
Connection of the heater to a water supply system.
Regarding the low power consumption of the heater,
the manufacturer does not recommend using
more taps at the same time.

Connection of the heater to an existing water tap.
Technical parameters Model 7 kW Model 9 kW Model 11 kW
Type specification MK207 MK209 MK211
Voltage protection at 230V ~50 Hz 2 x 16 [A] 2 x 20 [A] 2 x 25 [A]
Level of protection IP 45 IP 45 IP 45
Operating flow 2.5 l/min 3.2 l/min 3.8 l/min
Water heating from 12 °C to 40 °C 3,8 l/min 5,0 l/min 6,2 l/min
Minimum water pressure (operating) 0.8 bar 0.9 bar 1.0 bar
Maximum water pressure (load) 6 bar 6 bar 6 bar
Thermal overload protection 57 °C 57 °C 57 °C
Thermal emergency protection 70 °C 70 °C 70 °C
Anti-air protection yes yes yes
Dimensions (h/w/d) mm 192/205/82 192/205/82 192/205/82
Weight 1.6 kg 1.7 kg 1.7 kg

Product description
The HAKL MK-2 model series is intended for connection to a water supply system from a single up to three consumption points, for existing water taps. If it is assumed that the consumption of hot water will run from two or more consumption points at the same time, the manufacturer recommends the installation of heaters with higher power ratings. The distance between the consumption point and the heater should not exceed 5 m. For maximum user comfort, it is recommended to equip the water tap with a special water regulator - aerator, or a low-flow shower-head. HAKL MK-2 is equipped as standard with all of the protective electronic components as the HAKL MK-1 model.

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