E-mini instant water heater
MCX

Energy efficiency class A

(Scale: A+ to F)

MCX 3: 3.5 kW, 230 V
with plug
MCX 4: 4.4 kW, 230 V
MCX 6: 5.7 kW, 230 V

This is where the MCX is used.

Wash hand basin (e.g. guest toilet)
Staff kitchen

Smart energy efficiency.

The top-of-the-range device among the small instantaneous water heaters convinces with the best functionality and sophisticated design. Well designed, the small appliance fits discreetly into any washbasin situation.

Electronically controlled instant water heater with a compact design for energy-efficient hot water supply of a sink or a staff kitchen
The heating output is electronically controlled. This provides an ideal hot water temperature without the need to add cold water at the tap.
Touch button controls with colour LEDs to set the outlet temperature to 35 °C, 38 °C or max. 45 °C.
Connection kit (T-piece and flexible pressure hose) for an angle valve is included
Unvented design
Remote control module available as an accessory: FX wireless remote control
Dimensions (height × width × depth): 13.5 × 18.6 × 8.7 cm

Technical data

Data. Values. Facts.



MCX 3	MCX 4	MCX 6

Part number

Nominal power rating [kW]

Maximum operating pressure [MPa (bar)]

Water connections (thread connections)

Hot water output at Δt = 25 K ¹⁾ [l/min]

Switch-on flow rate [l/min]

Maximum flow rate ²⁾ [l/min]

Supply voltage [1~ / N / PE 220–240 V AC] with plug

Supply voltage [1~ / N / PE 220–240 V AC] permanent connection

Supply voltage [2~ / PE 400 V AC] permanent connection

Nominal current [A]

Required cable diameter [mm²]

Maximum inlet temperature [°C]

Solar-ready ³⁾

Protection class

Specific water resistance at 15 °C [Ωcm] ≥

Weight filled with water [kg], approx.

1500-15003	1500-15004	1500-15006
3.5	4.4	5.7
1 (10)	1 (10)	1 (10)
G ⅜"	G ⅜"	G ⅜"
2.0	2.5	3.3
1.2	1.5	1.5
2.0	2.5	3.3



15	19	25
1.5	2.5	4.0
70	70	70

IP 25	IP 25	IP 25
1100	800	800
1.5	1.5	1.5

1) Temperature increase e.g. from 15 °C to 40 °C

2) Limited flow amount for optimal temperature increase by water flow adjustment

3) Suitable for reheating

Downloads

Media	Title	Date	Size
Operating and Installation Booklet	Operating and Installation Booklet.pdf	01.01.2021	759 kB > download
Safety Instructions	Safety Instructions.pdf	01.01.2021	6,7 MB > download
Technical Data Sheet	Technical Data Sheet.pdf	01.01.2021	759 kB > download