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OSO Maxi Marine - 17RA

  - Large capacity units formarine applications

The Maxi Marine units are manufactured from stainless steel up to 1,000 liters or copper lined steel when up to 5,000 liters. The Maxi Marine units are well known for their reliability around the world and on the seven seas. Customer specified down to the last detail ensures the Maxi Marine units is the perfect fit for whatever hot water needs is required for shipping, offshore, yachts or other marine applications.

Close cooperation and specification in collaboration with the shipyard and specifier is the key to our success on the seven seas. Steam from engines, boilers, cooling etc. can all be utilized to produce hot water on ships and offshore installations. Aggressive water conditions as well as aggressive exterior conditions are being handled by the high-end specification of these units. All details and requirements are being taken into account when manufacturing the Maxi Marine units – one at a time for our customers.


The Maxi Marine units are represented worldwide, and OSO’s market share for marine hot water cylinders is significant. We are proud to deliver hot water to the most demanding customers.

Key advantages:

  • Stainless steel pressure vessel for working pressures up to 10 bar (up to 1.000 liters)
  • Custom made from the bottom up according to our clients’ specifications
  • High-end quality ensures long lasting units with minimum maintenance
Maxi Accu - 51R
Technical Specifications
Quick Facts
Choose volume

OSO Marine units are well known for their reliability thorughout the world. For dimensioning of these units, we recommend that you contact OSO sales office, to ensure correct choice of unit.



Prod. nr. Product description Capacity Hot water - 40°C Hot Water / hour - 40°C  Heat-up Time - 15 - 75°C: Heat loss - 24 hours Dia x H mm. Weight
70,033,200 Marine 17RA 300 - Marine Dimensioning 580 l. Dimensioning Heat Source 3,2 kWh ø580x1600 59
70,033,600 Marine 17RA 400 - Marine Dimensioning 760 l. Dimensioning Heat Source 4,3 kWh ø580x2085 79
70,034,000 Marine 17RA 600 - Marine Dimensioning 1100 l. Dimensioning Heat Source 6,5 kWh ø780x1900 133
70,034,800 Marine 17RA 750 - Marine Dimensioning 1445 l. Dimensioning Heat Source 7,7 kWh ø1000x1850 190
70,035,200 Marine 17RA 1000 - Marine Dimensioning 1800 l. Dimensioning Heat Source 8,9 kWh ø1000x2100 238
70,125,600 Marine 17RA 1500 - Marine Dimensioning 2745 l. Dimensioning Heat Source - ø1200x2150 500
70,126,000 Marine 17RA 2000 - Marine Dimensioning 3600 l. Dimensioning Heat Source - ø1300x2200 700
70,126,400 Marine 17RA 3000 - Marine Dimensioning 5450 l. Dimensioning Heat Source - ø1500x2450 950
70,126,500 Marine 17RA 5000 - Marine Dimensioning 9300 l. Dimensioning Heat Source - ø1800x2950 1,400