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WATER HEATERS 01-2022

WATER HEATERS 01-2022
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WATER HEATERS 01-2022

Product catalog summary
Introduction
OSO Hotwater has been a leader in stainless steel water heater manufacturing for over 50 years, focusing on quality and efficiency. Their products are designed to minimize heat loss and maximize energy efficiency, making heating systems cost-effective.
Key Advantages
  • More Hot Water: Heaters provide up to 20% more hot water with higher temperatures and efficient mixing valves.
  • Lighter Design: Made with EVERLAST™ titanium alloyed stainless steel, these heaters are over 40% lighter than enameled products.
  • Durability: INCOTEC™ immersion heaters and superior materials ensure maximum durability, especially in hard water conditions.
  • Corrosion Resistance: The ULTRAWELD™ system and passivation process offer leading corrosion resistance.
  • Energy Efficiency: NANOPUR™ insulation and VACUUM panels ensure minimal heat loss.
Product Range
  • SAGA Series: Offers high performance with features like hidden connections, solar readiness, and adjustable temperature settings. Suitable for various hot water needs.
  • SAGA XPRESS: Provides hot water three times faster than standard tanks, ideal for high-demand households with limited space.
  • SAGA Industrial: Designed for tough environments with extra corrosion resistance and a 5-year warranty on the pressure tank.
  • SAGA COIL: Custom-made for boilers, offering massive capacity and instant hot water availability.
  • NANO: A point-of-use heater with full capacity in 8 minutes, perfect for small spaces.
  • VERSA: Slim design for compact spaces, versatile installation options.
Technical Specifications
  • Mixing valves adjustable between 45-80°C, thermostats adjustable between 60-90°C.
  • Safety valves rated at 9 bar, with various energy efficiency ratings (ErP B/C).
  • Products come with factory-mounted components and are solar-ready.
Company Background
Founded in 1932, OSO Hotwater is a family business known for pioneering stainless steel water heaters in Europe. The company continues to innovate with advanced manufacturing and product solutions.
Conclusion
OSO Hotwater's range of stainless steel water heaters offers superior performance, durability, and energy efficiency, making them a leading choice in the European market.
WALLY Series
  • Design: Compact with a 430 mm diameter, suitable for wall or floor installation. Features hidden connections and splash-proof IP class 44.
  • Technical Specifications: Adjustable mixing valve (45-80°C), preset thermostat (60/70°C), and a 9-bar safety valve. Includes a 2.5 m power cable with plug.
  • Advantages: Reduces heat loss by 150 kWh/year with NANOPUR insulation, offers a 5-year warranty on the stainless steel pressure tank, and includes a factory-fitted mixing valve.
OPTIMA Series
  • Design: Tank-in-tank units with integrated buffer and domestic hot water tanks, designed for heat pumps without DHW priority.
  • Technical Specifications: Adjustable mixing valve (45-80°C), preset thermostat (75°C for DHW), and a 9-bar safety valve. Features NANOPUR insulation and ULTRAWELD corrosion resistance.
  • Advantages: Increases heat pump performance, reduces heat loss by 300 kWh/year, and offers a 5-year warranty on the stainless steel pressure tank.
DELTA Series
  • Design: Elegant and functional with class-leading insulation and ErP A-rating. Suitable for boilers or inverter heat pumps.
  • Technical Specifications: Adjustable thermostat (20-70°C), factory-mounted appliance feet, and INCOTEC immersion heater for backup.
  • Advantages: Reduces heat loss by 400 kWh/year, provides hot water from alternative energy sources, and includes a 5-year warranty on the stainless steel pressure tank.
DELTA and MAXI Series
  • DELTA TWINCOIL (DTC): Utilizes two energy sources for efficient domestic hot water production. Ideal for combining low-temperature sources like solar collectors with high-temperature sources like boilers. Features include adjustable thermostat, standard sensor pockets, and a 5-year warranty on the pressure tank.
  • MAXI Series: Known for operational durability and corrosion resistance, constructed with EVERLAST™ stainless steel and ULTRAWELD™ technology. Suitable for commercial installations with options for customization.
  • Technical Data and Advantages: All models feature class-leading insulation, superior corrosion resistance, and high durability in hard water conditions. Installation kits available for easy integration with existing systems. Products are designed to meet diverse industrial needs, with capacities up to 15,000 liters.
MAXI Series
  • MAXI ACCU – MA: Designed for both hot and cold water systems, offering durability and corrosion resistance through EVERLAST™ high-alloy stainless steel and ULTRAWELD™ technology. Suitable for heat pump/solar collectors and cooling systems with optional ARMAFLEX insulation.
  • Specifications: The accumulator is designed for a 10 bar pressure and features class-leading corrosion resistance. It includes various connection options depending on the capacity (300/400 L, 600 L, 1000 L) and uses NANOPUR or ISOFLEX+VIP insulation for different models.
  • Technical Data: The product is available in capacities up to 15000 L, with specific dimensions, weight, and energy efficiency ratings provided for 400 L, 600 L, and 1000 L models.
Sustainability
OSO Hotwater emphasizes sustainability and energy efficiency, aiming to reduce energy consumption and environmental impact, as recognized by awards like the SCANVAC and the Norwegian Government's "Glassbear."
Corrosion Facts
Corrosion is influenced by factors such as TDS/conductivity, temperature, and oxygen concentration. High conductivity and temperature can accelerate corrosion, particularly in stainless steel, due to ion exchange and reduced oxygen levels.
Warranty Conditions
OSO offers a 2-year warranty on all components and a 5-year extended warranty on the stainless steel inner tank for private use. The warranty covers defects in materials and workmanship, with specific conditions regarding installation, water chemistry, and maintenance.
Limitations
The warranty excludes coverage for incorrect installation, misuse, external damage, and certain environmental factors like frost and stagnant water. It also does not cover connected equipment or transportation damage.
Contact Information
For further assistance, contact OSO Hotwater's sales office at +47 907 00 473 or via email at [email protected].
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Catalog excerpts

WATER HEATERS 01-2022-2

WHAT WE OFFER Quality For more than 50 years we’ve perfected the stainless steel water heater. The ideal combination of premium materials, automated manufacturing, and intelligent solutions makes our products last longer. We design for minimum heat loss and maximum energy efficiency, without compromise, making your heating system cost-efficient.

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WATER HEATERS 01-2022-4

KEY ADVANTAGES Our stainless steel water heaters are in a class of its own when it comes to lifetime economy. Made in Norway by the family business OSO Hotwater since 1932. MORE HOT WATER Substantially higher temperature (70°C+), highly efficient mixing valve (no scolding), minimal heat loss and optimal design features gives up to 20 % more hot water and class leading capacity. PRO INSULATION The use of NANOPUR™ with insulation values far surpassing Pentane, often in combination with VACUUM panels, ensures minimum heat loss and class leading energy efficiency. STRONGER EVERLAST™ titanium alloyed...

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WATER HEATERS 01-2022-5

CONTENTS SAGA NANO VERSA MAXI COIL MAXI ACCU

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WATER HEATERS 01-2022-6

STAINLESS STE THE FOUNDATION Founded in 1932 by Mr. Braathen, a black-smith and air force lieutenant, OSO was the first manufacturer of water heaters in Norway. After merely 10 years in operation more than 100 people worked at OSO. His inventiveness led to the creation of Europe’s very first stainless steel water heater in 1965. Since then, more than 4 million OSO heaters has found their way to European homes

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WATER HEATERS 01-2022-7

EEL WATER HEATERS THE FUTURE Today, OSO Hotwater is still a family business after three generations of hard work. Dedicated to improving our products and processes, we are proud to represent the most robotized manufacturing plant in Norway. The pioneering spirit continues with product innovations featuring inte-grated solutions, ground-breaking material technology and added value for our customers.

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WATER HEATERS 01-2022-8

SAGA – S Unbeatable performance and pioneering design ADVANTAGES SAGA DESIGN NANOPUR ULTRAWELD INCOTEC SOLAR-READY All connections hidden Class leading insulation Superior corrosion resistance High durability in hard water Separate solar connection Mixing valve Thermostat Safety valve El. power cable Appliance feet Adjustable 45-80°C - Preset 55°C - 15 mm Adjustable 60-90°C - Preset 75°C 9 bar - 3/4” to drain Including plug (earth) - 3 m. Adjustable - Factory mounted SAGA series can be installed anywhere thanks to its pioneering design features, covering all pipings and connections. SAGA has...

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WATER HEATERS 01-2022-9

SAGA XPRESS – SX Hot water 3 x faster than standard hot water tanks ADVANTAGES SAGA DESIGN NANOPUR ULTRAWELD INCOTEC XPRESS SOLAR-READY All connections hidden Class leading insulation Superior corrosion resistance High durability in hard water Twin heaters with flip-flop Separate solar connection Mixing valve Thermostat Safety valve El. power cable Appliance feet Adjustable 45-80°C - Preset 55°C - 15 mm Adjustable 60-90°C - Preset 75°C 9 bar - 3/4” to drain Including plug (earth) - 3 m. Adjustable - Factory mounted SAGA series can be installed anywhere thanks to its pioneering design features,...

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WATER HEATERS 01-2022-10

SAGA Industrial – SI Extra high corrosion resistance - for tough environments ADVANTAGES SAGA DESIGN NANOPUR ULTRAWELD INCOTEC CASING Elegant and functional Class leading insulation Superior corrosion resistance High durability in hard water Extra corrosion protection COMPONENTS Mixing valve Thermostat Safety valve El. power cable Appliance feet Adjustable 45-80°C - Preset 55°C - 15 mm Adjustable 60-90°C - Preset 75°C 9 bar - 3/4” to drain Including plug (earth) - 3 m. Adjustable - Included SAGA series can be installed anywhere thanks to its pioneering design features, covering all pipings and...

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WATER HEATERS 01-2022-11

SAGA COIL – SC The ultimate hot water cylinder for boilers ADVANTAGES SAGA DESIGN All connections hidden NANOPUR Class leading insulation ULTRAWELD Superior corrosion resistance INCOTEC High durability in hard water ECO-HOTWATER DHW from alternative energy COMPONENTS Mixing valve Thermostat Safety valve El. power cable Appliance feet Coil connection Adjustable 45-80°C - Preset 55°C - 15 mm Adjustable 60-90°C - Preset 75°C TP 10 bar / 99°C - 3/4” to drain Including plug (earth) - 3 m. Adjustable - Factory mounted 2 x 3/4” female BSP threads SAGA series can be installed anywhere thanks to its pioneering...

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WATER HEATERS 01-2022-12

NANO – N Point of use water heater with full capacity in 8 minutes Class leading insulation Superior corrosion resistance High durability in hard water COMPONENTS Thermostat Safety valve El. power cable Including plug (earth) - 2,5 m. Wall mount Stainless steel - included NANO    is ideal as a point of use unit where central heating is located at a distance. NANO fits —N easily under sink, and can be installed both vertically and horizontally. Capacity is 12 L 40°C hot water    ore than adequate for hand wash, kitchenettes or similar demands. —m NANO comes standard with 3 kW ultra-grade INCOTEC...

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WATER HEATERS 01-2022-13

VERSA – V Slim diameter and versatile installation on floor or wall ADVANTAGES SAGA DESIGN All connections hidden NANOPUR Class leading insulation Superior corrosion resistance High durability in hard water Mixing valve Safety valve El. power cable Including plug (earth) - 2,5 m. Wall mount Stainless steel - included VERSA    will fit into compact spaces due to its 430 mm. diameter, and can be mounted floorstand—V ing or fixed to wall (wall bracket included / adjustable feet not included). VERSA can also be fitted under the kitchen sink. VERSA’s slim design ensures optimal stratification of hot-...

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WATER HEATERS 01-2022-14

WALLY – W Slim diameter and connections underneath - with adjustable mixing valve ADVANTAGES NANOPUR Class leading insulation Superior corrosion resistance High durability in hard water SPLASHPROOF Splash proof with IP grade 44 WALL + FLOOR Both options possible COMPONENTS Mixing valve Safety valve El. power cable Including plug (earth) - 2,5 m. Wall mount WALLY    will fit into compact spaces due to its 430 mm. diameter, .and is designed to be fitted —W to wall or alternativel as a floor standing unit with all connections underneath the unit. WALLY’s slim design ensures optimal stratification...

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All OSO Hotwater catalogs and technical brochures

Archived catalogs

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  6. 20 SERIES

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  7. 17 SERIES

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.