Maxi M


MAXI-M is ideal for hot water storage in larger heating systems. The MAXI tank is factory-optimised for use with the OSO TURBO system, which is factory-equipped with a stainless steel plate heat exchanger (optional supply) and dual charge pumps for additional operational reliability. Cold water is pumped from the bottom of the tank through the heat exchanger and control valve. At low consumption only the plate heat exchanger is used, while at higher consumption the excess hot water is drawn from the accumulator. When fully discharged, the OSO TURBO system immediately provides hot water again.

The M 400 model has now been adapted for use as an accumulation tank (cooling/heating) in closed systems, with 4 G1.1/2″ connections.

The MAXI has been designed using EVERLASTTM stainless steel combined with ULTRAWELDTM technology.


Model Maxi MMaxi M Maxi M Maxi M Maxi MMaxi MMaxi M
Product CodeM 400 M 600M 1000M2000M3000M5000M10 000
Name M 400 M 600M 1000 M2000M3000M5000 M10000
Diameter x Height mm 595×2180800×2030 1000×21201290×24501490×2700 1690×2700 1990×4400 
Weight kg 78   97 176 2020 3025 4890 9885
Coil area m2  – – – –
Nominal capacity l. – – – –
Standing losses W  – – –
Thermostat setting °C – – – –
Energy ClassC
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