The Koller 950-2D inline heater is intended for heating water in hot tubs and wellness systems. The robust plastic housing guarantees a long service life and low-maintenance operation.
The model combines a safety thermostat with a flow switch for greater operational reliability. The universal voltage range of 220–240 V requires specifying the corresponding output range. It is supplied with 2 couplings Ø 50 mm (858).
Technical parameters
- Mains voltage: 220–240 V, 50/60 Hz
- Total output: 1700–2100 W
- Protection rating: IP X5
- Total length: 217 mm (without couplings)
- Cable length: 2 m with cable terminals for wire connection
- Variant: safety thermostat and flow switch
- Weight: 1.1 kg
- Housing: plastic
- Included in delivery: 2 couplings Ø 50 mm (858)





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