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Viessmann OSO Optima Geocoil OGC Heat Pump Cylinder
£1,352.80 Ex. VAT
The Viessmann OSO Optima Geocoil OGC 300 is a premium stainless steel heat pump cylinder combining a 225-litre indirect domestic hot water (DHW) tank and a 65-litre heating buffer vessel. This Cylinder works well with Viessmann Vitocal 100-A Heat Pump. Designed for efficiency and versatility, it works seamlessly with heat pumps fitted with a three-way valve and supports both electrical and external energy sources.
3 in stock
Viessmann OSO Optima Geocoil (OGC) Heat Pump Cylinder
The Viessmann OSO Optima Geocoil (OGC) 300 is a high-performance stainless steel heat pump cylinder designed to optimise both domestic hot water (DHW) and heating systems in modern homes. Combining a 225-litre indirect DHW tank with a 65-litre heating buffer vessel, this cylinder delivers exceptional efficiency and reliability. It is specifically engineered to work with heat pumps fitted with a three-way valve, making it an ideal solution for homes using renewable energy sources.
The cylinder is divided into two distinct sections for enhanced functionality. The lower section acts as a buffer tank for the heating circuit, ensuring consistent heat delivery and improved system efficiency. The upper section is dedicated to storing domestic hot water, providing a plentiful supply for everyday household needs.
Made from premium stainless steel, the OGC 300 is highly durable and corrosion-resistant, ensuring a long lifespan with minimal maintenance. It is ERP A/A rated, demonstrating its energy efficiency and commitment to sustainable performance.
Key Features and Benefits:
- DHW Cylinder Capacity: 225 litres, providing ample hot water for households of all sizes.
- Heating Buffer Vessel Capacity: 65 litres, ensuring steady heat delivery and system efficiency.
- Energy Efficiency: ERP A/A rated for environmentally friendly performance.
- Construction: High-quality stainless steel for durability and corrosion resistance.
- Backup Heating: Integrated immersion heater for additional reliability during peak demand.
- Complete Kit: Supplied with a G3 group inlet kit and an expansion vessel for easy installation.
Standard Delivery Includes:
- Stainless steel water heater
- T&P relief valve 7 bar/90-95°C
- Safety thermostat
- 2x Sensor pocket ø6 / ø8
- 2x PG strain reliever
- Working thermostat
- Immersion heater
- Installation manual
- 2x Safety valve 3 bar
- 3x Adjustable feet (factory fitted)
- G3 Inlet Group kit
- 19 litre Expansion Vessel
Whether you’re upgrading your heating system or integrating renewable energy solutions, the Viessmann OSO Optima Geocoil (OGC) 300 offers reliable performance and efficiency. Its innovative design ensures consistent heat and hot water delivery, making it an ideal choice for energy-conscious homeowners.
Important Notes.
- Heat pumps must be commissioned by Viessmann Technical Service or a specialist heat pump contractor certified by Viessmann
- If the heat pump is being installed to modernise a heating system, a dirt separator with magnet is essential;
| Weight | 65 kg |
|---|---|
| Dimensions | 595 × 595 × 2131 mm |
| Brand | Viessmann |
| Cylinder DWH Volume | 225 Litres |
| Buffer Tank | 65 Litres |
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Shipping & Delivery
We offer multiple shipping & delivery options for all our products. Simply enter your postcode in the cart or checkout, and any relevant shipping charges will be automatically calculated. When you get to the checkout page, you will be able to select your chosen delivery day and if you need it, delivery time too.
Options available
- Next day (standard) available for all orders placed by 12pm
- AM - 08:00 - 13:00
- AM - before 10:30
- PM - 12:00 - 18:00
Most of our products will be shipped on a pallet by one of our trusted courier partners. You must be present at the delivery address in order to receive and sign for your goods.
The Viessmann One Base system is an advanced, integrated home energy management platform that combines heating, cooling, and energy solutions into a seamless ecosystem. Designed for residential applications, it optimises energy efficiency, enhances comfort, and supports sustainable living by integrating heat pumps, solar energy systems, and smart controls in one unified interface.
Key Features of the Viessmann One Base System:
Integrated Energy Management
The One Base system connects and manages multiple Viessmann products, such as heat pumps, solar panels, and ventilation systems, ensuring they work together efficiently to reduce energy consumption and costs.Smart Home Integration
It offers compatibility with smart home platforms, allowing homeowners to control and monitor their heating, cooling, and energy usage remotely through a user-friendly app. This functionality enhances convenience and enables precise adjustments based on lifestyle needs.Sustainability and Energy Efficiency
By optimising the use of renewable energy sources, such as solar power, and prioritising efficient heat pump operation, the system significantly lowers carbon emissions and contributes to a greener environment.Customisable Comfort Settings
The One Base system provides personalised comfort settings, enabling individual room temperature control and adaptive operation based on occupancy and weather conditions.Future-Proof Design
It’s built to accommodate future energy technologies, ensuring compatibility with evolving renewable energy solutions and energy storage systems.Centralised Monitoring and Diagnostics
The platform allows real-time monitoring of all connected systems, simplifying maintenance and ensuring optimal performance with predictive diagnostics and automatic alerts for service needs.
Benefits of the Viessmann One Base System:
- Cost Savings: By intelligently managing energy usage, the system reduces energy bills over time.
- Environmentally Friendly: Supports the transition to renewable energy, reducing reliance on fossil fuels.
- Ease of Use: The single platform eliminates the complexity of managing multiple systems and devices.
- Scalability: Homeowners can expand the system with additional components as their energy needs evolve.
The Viessmann One Base system exemplifies innovation in sustainable home energy management, delivering comfort, efficiency, and eco-conscious living in a single, intuitive platform.
Contact Us
For more information or to request a quote, visit our website or contact our customer service team today!
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