Product Brochure
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Stainless steel water heaters

Key advantages World Class Manufacturing Made in Norway Superior Stainless Steel Quality MINIMUM HEAT LOSS OSO is engaged in continuous improvement to our “ECO Foam” insulation. This environmentally friendly (uses water as blowing agent) insulation solution provides optimum heat-retention capabilities. The insulation capacity is improved by 30% from previous materials. For an average household this means a reduction in energy use of approx. 450 kWh annually when switching to an OSO product. Product advantages EXTREMELY LOW WEIGHT As the first water heater manufacturer in Scandinavia OSO...

C O N T E N T S Direct electric water heaters • Key advantages with OSO products • Contents • Super Standard S • Super Expansion SE • Super Xpress SX • Super Agri SA • Mini RM5 • Slimline RD • Wallsmart W • Floorsmart RL / RRL Indirect water heaters • Super Coil • Delta Gas • Delta Sun • Delta Geo • Delta Twin Coil • Optima Coil • Optima Coil Inside • Optima Twin Coil • Optima Triple Coil • Accu • Accu Coil • Fix SC RI RI SD RI HP RI TC EPC EPCI EPTC EPTRC 50R / 50RE 50RC / 50RCE MX18 / PV12 Commercial water heaters • Maxi 17R / 17S • Maxi Turbo 17R / 17S • Maxi Standard 17RE • Maxi Combi...

Super Standard - S - unique in every way Unique pioneering design The Super Standard is the ultimate direct electric hot water cylinder, with distinctive design features. Ease of installation combined with all connections hidden makes the Super Standard fit seamlessly in every environment. Based on OSO’s experience through 80 years and with more than 3 million units sold, the Super series is the new benchmark. • Pioneering design features with all connections hidden and insulated The insulated, easily removable top lid hides all connections to the cylinder. The factory fitted mixing valve...

Fully integrated expansion solution The Super Expansion is the ultimate direct electric hot water cylinder, with distinctive design features. The unique, factory fitted and integrated expansion solution drastically reduces installation time. All connections hidden makes the Super Expansion fit seamlessly in every environment. Based on OSO’s experience through 80 years and with more than 3 million units sold, the Super series is the new benchmark. • Pioneering design features with all connections hidden and insulated The insulated, easily removable top lid hides the expansion solution as...

Super Xpress - SX - 3 x faster Smaller and more efficient The Super Xpress is the ultimate direct electric hot water cylinder, with distinctive design features. Utilizing two electric immersion heaters and flip-flop thermostat, the Super Xpress is ready for use in just 1,5 hours – 1/3 of normal heat-up time – without using more electricity. Ease of installation combined with all connections hidden makes the Xpress fit seamlessly in every environment. Based on OSO’s experience through 80 years and with more than 3 million units sold, the Super series is the new benchmark. The Xpress is the...

Super Agri - SA - the ultimate for tough conditions Simply tougher The Super Agri is the ultimate direct electric hot water cylinder, with distinctive design features. Made to withstand the toughest of exterior environments with outer casing in stainless steel, the Super Agri is ideal for agricultural use, but is also a stylish alternative to the modern home. Ease of installation combined with all connections hidden makes the Agri fit seamlessly in every environment. Based on OSO’s experience through 80 years and with more than 3 million units sold, the Super series is the new benchmark....

Mini - RM - hot water in 10 minutes Simple undersink heater The Mini is a 5 liter point of use water heater, with an impressive 6 minute recovery time. The small size makes the Mini ideal for under sink fitting in office buildings etc. where the central hot water supply is located at a distance. The Mini can be installed both vertically and horizontally. The Mini will be most efficient when fitted horizontally. Wall mounting bracket is provided with the cylinder. The Mini requires no expansion vessel, although an expansion relief valve for connection to a waste pipe is supplied. Domestic...

Slimline - RD - ideal for tight spaces Min. 150 mm Wall bracket Easy to place on wall or floor The Slimline is only 430mm in diameter, making the cylinder ideal for installation in tight spaces. Wall mounting bracket is included, and makes the Slimline extremely versatile. The Slimline series cylinder will fit into the most compact of spaces thanks to its 430 mm. diameter. Slimline is simple to install, with all connections on top of the cylinder. The factory fitted mixing valve provides adjustable hot water temperature, non-return and stop valve. The Slimline can also be wall mounted with...

Wallsmart - W - ideal for bathrooms For tight spaces and wet environments This wall-mounted unit has all connections easily accessible on the factory fitted inlet control valve underneath. Wallsmart is also IP 44 classified for unprotected fitting in bathrooms and is insulated with ECO Foam. Slim diameter of 430mm makes the Wallsmart ideal for installation in tight spaces. • Ideal for limited hot water requirements and installation in tight spaces Wallsmart is mounted on the wall with the supplied bracket. All connections for the installer are located underneath the unit for easy access....

Special locations with minimal height The Floorsmart is designed for space saving installations in attics, basements or saunas (the RRL). The unit comes in two configurations, where the RRL is specifically designed for saunas. In normal usage, the Floorsmart provides just as much hot water as a vertical unit, but when large amounts of hot water is required for baths etc., a vertical unit is the ideal choice. All connections are conveniently located in one side of the unit for easy installation. The Floorsmart requires just 60 cm. installation height, and fits in spaces with low ceilings....