Domestic unvented water heater and cylinders

OSO have a full range of domestic unvented water heaters up to 300 litres

OSO cylinders are made from 1.3mm thick stainless steel and are offered with a 25 year warranty. Direct cylinders are heated by electricity and are supplied with factory fitted immersion heater elements. Indirect cylinders are connected to a central heating system using a boiler (gas, oil or electric) or a heat pump (ground source, air source or water source). Infirect cylinders are also factory fitted with back up immersion heaters.  

OSO Super Series has unrivalled space efficiency and saves hours of labour time. 

OSO cylinders lead the world in energy efficiency. OSO Delta has the lowest standing heat loss of any comparable cylinder in the world. Delta uses Vacuum Insulation Panels (VIP) to achieve the best energy efficiency possible. Vacuum panel insulation is an award winning innovation for water heating and won “product of the year” by H & V news.  

OSO Super Xpress (SX) also uses VIP to achieve the best possible SAP ratings for builders of properties with electric heating. SX is the market leading product for electric water heaters in new build high-rise accomodation.

Direct electric hot water cylinders

  • 30 – 100 litres
  • A premium quality Stainless Steel multi-outlet water heater
  • 120-300 litres
  • Pre-plumbed High output
  • Direct cylinder
  • 5 litres
  • Point of use water heater with full capacity in 8 minutes

Indirect - Connect to boiler or heat pump

  • 150, 210 litres
  • Full range A-rated Indirect cylinder – Ideal for all boilers
  • 120-300 litres
  • Virtually pre-plumbed Indirect cylinder for System Boilers
  • 150 litres
  • Fast fit Indirect cylinder for System Boilers
  • 150 litres
  • Indirect domestic cylinder for installation in tight spaces
  • 120-300 litres
  • High quality generic style indirect cylinder
  • 300 litre
  • Indirect – Ultimate energy efficiency and maximum flow rate
  • 180-300 litres
  • Full range A rated, pre-plumbed Indirect cylinder

Renewables

  • 200, 300 litres
  • Full range A rated Indirect cylinder – For heat pumps up to 15 kW
  • 150,210 AND 250 litres
  • Smart Energy Cylinder
  • 225/65 litres
  • A rated cylinder with buffer – For heat pumps up to 15 kW
  • 60-200 litres
  • For use with heat pumps
  • 200, 260 litres
  • Intergrated hotwater cylinder and heatpump

Renewables

  • 130-450 litres
  • For exceptional flow rate performance

Ethical guidelines

Over 85 years OSO Hotwater has earned the trust from suppliers, co-workers and customers. We are still going to earn, and manage, this trust in an exceptionally good way, and value the opinion of our partners.

Our guiding targets:

  1. Safe products, manufactured by safe processes
  2. Class leading quality and efficiency
  3. Correct products delivered on-time
  4. Cost- and energy efficient processes

OSO Hotwater AS

Organization number 936 603 947

Patents and trademarks

Information about the product owners’ rights

OSO Hotwater’s web pages may contain or provide references to trademarks, patents, owner information, technologies, products, processes or other rights of OSO Hotwater Group AS. No license or rights to any of these trademarks, patents, information about owners, technologies, products, processes or other rights of OSO Hotwater Group AS are assigned or granted to users of this site.

A number of the products on the OSO Hotwater website may be or are protected by patents or trademarks. This includes both production technology and / or complete products. These may be specified in the site’s texts, but are not required to be protected by the patent. The underlying technology for the production of the product may or may not be the property of OSO Hotwater.

It is to be noted that all violations of OSO Hotwater Group AS’ rights will be subject to legal prosecution.

Legal terms

Information about the legal terms relating to our web site

This site, including its content, is fully owned by OSO Hotwater. We reserve all rights to this material.

You may store extracts from the OSO Hotwater website on your personal computer and print copies of these for personal, non-commercial use. You are permitted to use and distribute necessary and minor extracts from the OSO Hotwater website to facilitate direct links / pointers to the pages, or linking for search services on the Internet.

Any other use, such as reproduction, translation, processing, arrangement, and any other modification, distribution or storage of this Site in any form and by any means wholly or in part, is not permitted. The information presented on this site will not be accurate, up to date, or current for circumstances surrounding a particular issue. We can not assume any liability for inaccuracies or omissions. Any decisions made based on information contained on this site are at your sole discretion.

Neither OSO Hotwater nor any of OSO Hotwater subsidiaries accept liability for any direct, indirect, special, substantial or other loss or destruction of any nature which may result from access to or use of this site or its content. This notice is subject to and must be interpreted in accordance with Norwegian law.

Privacy

Information about how our web site handles your personal data.

OSO Hotwater appreciates your visit to our website and your interest in our products and services.

We want you to be sure that your personal information is processed safely. All personal information you provide to OSO Hotwater is only used to provide you with better service.

The information is used as follows: The information is collected and stored to help us meet your inquiries and provide you with the services you request. Visits on our web pages are tracked so we can assess which parts of the website provide the best service for our users.

OSO Hotwater does not sell any of the information captured. Please note, however, that our web pages may contain links / pointers to other websites. OSO Hotwater is not responsible for the manner in which privacy is practiced on such websites.