OSO SUPER COIL Indirect Unvented Cylinders – Variants SC 180 / SC 210 / SC 250 / SC 300 are premium stainless steel indirect unvented hot water cylinders designed primarily for connection to a gas or system boiler. All models share the same compact top-connection design, space-efficient footprint and integrated components, while offering different storage capacities to suit a range of property sizes and hot water demands.
Why Choose SUPER COIL
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Indirect stainless steel unvented cylinders engineered for quick, efficient installation and long service life.
- Unique patented design with all key pipe connections on the top of the cylinder for easier first fix and a tidy plant area.
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Concealed pipework, blending valve, expansion vessels, temperature and pressure relief valve and motorised valve hidden under an insulated lid for a clean appearance.
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Pre-plumbed functionality when used with a system boiler, significantly reducing installation time and labour.
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High-quality limescale-resistant heating coil for efficient heat transfer and sustained performance.
- Factory-fitted INCOTEC immersion heater as backup, suitable for use as an auxiliary heat source and for legionella protection cycles.
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25-year cylinder warranty (shell) when installed and maintained in accordance with OSO requirements.
Common Technical Features (All SC Models)
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Type: Indirect, unvented stainless steel hot water cylinders with integral expansion and safety components.
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Primary connections: Designed for connection to a gas or system boiler; top-mounted connections simplify routing.
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Immersion heater: 3 kW / 240 V INCOTEC immersion supplied as standard.
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Thermostat setpoint: Factory setting 60°C (typical adjustable range via controls).
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Insulation: High-performance factory-applied insulation delivering low standing heat losses and strong ErP performance.
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Included components: Blending (mixing) valve, T&P relief valve, integral expansion solution, and motorised valve integrated under the lid.
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Top connections: All pipework and electrical terminations accessible on the top for a compact footprint and easier servicing.
Individual Variants & MPNs
OSO SUPER COIL SC 180 – 180L
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Nominal capacity: 180 litres (approximate declared volume 162 L).
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Manufacturer code (MPN): 10802953 (corresponding to product no. 10 802 953).
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Height x diameter: Approx. 1160 mm high x 570 mm diameter.
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Empty / full weight: Approx. 41 kg empty; around 203 kg full.
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Coil area: About 1.0 m² high-efficiency heating coil.
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ErP energy label: Class C, with low standing heat loss suitable for modern systems.
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Typical application: Small to medium homes or apartments with 1 bathroom and occasional additional demand.
OSO SUPER COIL SC 210 – 210L
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Nominal capacity: 210 litres (approximate declared volume 190 L).
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Manufacturer code (MPN): 10802954 (corresponding to product no. 10 802 954).
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Height x diameter: Approx. 1300 mm high x 570 mm diameter.
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Empty / full weight: Approx. 45 kg empty; around 235 kg full.
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Coil area: About 1.0 m² heating coil for fast recovery from the boiler.
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ErP energy label: Class C, with balanced storage capacity and efficiency.
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Typical application: Medium-sized properties with 1–2 bathrooms and regular hot water usage.
OSO SUPER COIL SC 250 – 250L
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Nominal capacity: 250 litres (approximate declared volume 238 L).
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Manufacturer code (MPN): 10802955 (corresponding to product no. 10 802 955).
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Height x diameter: Approx. 1550 mm high x 570 mm diameter.
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Empty / full weight: Approx. 50 kg empty; around 289 kg full.
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Coil area: About 1.0 m² heating coil, optimised for larger draw-off requirements.
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ErP energy label: Class C with strong volume-to-loss ratio for family homes.
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Typical application: Family homes with 2 bathrooms and higher peak hot water demand.
OSO SUPER COIL SC 300 – 300L
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Nominal capacity: 300 litres (approximate declared volume 277 L).
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Manufacturer code (MPN): 10802956 (corresponding to product no. 10 802 956).
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Height x diameter: Approx. 1750 mm high x 570 mm diameter.
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Empty / full weight: Approx. 57 kg empty; around 334 kg full.
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Coil area: About 1.1 m² high-output heating coil to support large recovery rates.
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ErP energy label: Class C with generous storage capacity for larger dwellings.
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Typical application: Larger family homes or light commercial / small HMO-type loads with multiple bathrooms.
Installation & Space Efficiency
- All SUPER COIL cylinders share a slim 570 mm diameter for easier siting in cupboards and narrow plant spaces.
- SC models up to 210 litres can be configured to share a footprint with a washing machine using an additional frame, maximising utility room space.
- Top-connection layout and supplied fitting template help speed up first fix and minimise installation errors.
- Maintenance-friendly design with serviceable components located under the removable insulated top cover.
Model Summary Table
| Model |
Capacity (L) |
MPN |
Height (mm) |
Diameter (mm) |
Empty Weight (kg) |
Energy Label |
| SC 180 |
180 |
10802953 |
1160 |
570 |
41 |
C |
| SC 210 |
210 |
10802954 |
1300 |
570 |
45 |
C |
| SC 250 |
250 |
10802955 |
1550 |
570 |
50 |
C |
| SC 300 |
300 |
10802956 |
1750 |
570 |
57 |
C |