OSO Maxi GeoCoil MGC1000 1000L Commercial Heat Pump Cylinder | 15kW 3-Phase High-Capacity Unvented Storage
OSO Maxi GeoCoil MGC1000 1000L Commercial Heat Pump Cylinder | 15kW 3-Phase High-Capacity Unvented Storage
The OSO Maxi GeoCoil MGC1000 is a 1000 litre commercial unvented heat pump cylinder from OSO's class-leading MAXI commercial range, designed for maximum hot water production from heat pumps up to 40 kW. Featuring a massive 7.0 m² smooth scale-resistant titanium alloy coil and advanced VIP + NANOPUR insulation, it delivers rapid recovery and exceptional energy efficiency for demanding commercial applications.
Key Features
- 1000 litre capacity serves large commercial properties, hotels, schools and multiple dwellings.
- 7.0 m² oversized primary coil optimised for heat pumps up to 40 kW and solar collectors up to 40 m².
- Class-leading C-rated efficiency with 141W standing heat loss through advanced VIP and foam insulation.
- 15 kW 3-phase immersion heaters (2 x 7.5 kW) positioned above coil as booster and backup for legionella protection.
- 10 bar design pressure with EVERLAST™ high-alloy stainless steel and ULTRAWELD™ technology for extreme corrosion resistance.
- Thermostat adjustable 60-90°C with anti-legionella cycle and holiday mode for hygiene compliance.
- Compact 1000 mm diameter x 2100 mm height maximises capacity in commercial plant rooms.
- Complete factory-fitted controls including expansion vessel, safety valves and motorised zoning.
Why Buy the OSO Maxi GeoCoil MGC1000?
As part of OSO's proven 50-year commercial MAXI series, the MGC1000 offers unmatched durability, efficiency and customisability for high-demand hot water systems while meeting stringent commercial hygiene and energy regulations.
The combination of oversized heat exchanger, high-power electric backup and superior insulation ensures reliable performance with significant lifetime energy savings in the most demanding applications.
Suitable For
- Commercial properties – hotels, restaurants, schools, hospitals, leisure centres with high hot water demand.
- Multiple occupancy buildings – student accommodation, care homes, HMO's serving 50+ people.
- Large heat pump systems up to 40 kW requiring high-capacity indirect storage with solar integration.
- Facilities requiring legionella compliance through high-temperature boost capability.
Technical Specifications
- Brand: OSO Hotwater
- Model: Maxi GeoCoil MGC1000 (15 kW 3x230V + HX 7.0 m²)
- Type: Commercial indirect unvented heat pump cylinder
- Capacity: 1000 litres (865L actual volume)
- Energy Rating: C (ErP)
- Standing Heat Loss: 141W / ~3.4 kWh/24hrs (EN12897)
- Dimensions: Ø1000 mm x 2100 mm height
- Weight: 225 kg empty / ~1225 kg full
- Primary Coil: 7.0 m² smooth scale-resistant titanium alloy
- Heat Pump Capacity: Up to 40 kW + solar up to 40 m²
- Immersion Heaters: 2 x 7.5 kW (15 kW total 3-phase 230/400V)
- Design Pressure: 10 bar
- Thermostat: 70°C setpoint (adjustable 60-90°C) with safety cut-out
- Tank Material: EVERLAST™ high-alloy stainless steel with ULTRAWELD™
- Warranty: 5-10 years commercial tank warranty
Installation & Compliance
Factory-assembled with complete commercial G3 controls package including oversized expansion vessel, multiple safety valves and zoning controls for professional installation in compliance with UK Building Regulations and commercial hygiene standards.
OSO Maxi GeoCoil MGC1000 1000L Commercial Heat Pump Cylinder | 15kW 3-Phase High-Capacity Unvented Storage
The OSO Maxi GeoCoil MGC1000 is a 1000 litre commercial unvented heat pump cylinder from OSO's class-leading MAXI commercial range, designed for maximum hot water production from heat pumps up to 40 kW. Featuring a massive 7.0 m² smooth scale-resistant titanium alloy coil and advanced VIP + NANOPUR insulation, it delivers rapid recovery and exceptional energy efficiency for demanding commercial applications.
Key Features
- 1000 litre capacity serves large commercial properties, hotels, schools and multiple dwellings.
- 7.0 m² oversized primary coil optimised for heat pumps up to 40 kW and solar collectors up to 40 m².
- Class-leading C-rated efficiency with 141W standing heat loss through advanced VIP and foam insulation.
- 15 kW 3-phase immersion heaters (2 x 7.5 kW) positioned above coil as booster and backup for legionella protection.
- 10 bar design pressure with EVERLAST™ high-alloy stainless steel and ULTRAWELD™ technology for extreme corrosion resistance.
- Thermostat adjustable 60-90°C with anti-legionella cycle and holiday mode for hygiene compliance.
- Compact 1000 mm diameter x 2100 mm height maximises capacity in commercial plant rooms.
- Complete factory-fitted controls including expansion vessel, safety valves and motorised zoning.
Why Buy the OSO Maxi GeoCoil MGC1000?
As part of OSO's proven 50-year commercial MAXI series, the MGC1000 offers unmatched durability, efficiency and customisability for high-demand hot water systems while meeting stringent commercial hygiene and energy regulations.
The combination of oversized heat exchanger, high-power electric backup and superior insulation ensures reliable performance with significant lifetime energy savings in the most demanding applications.
Suitable For
- Commercial properties – hotels, restaurants, schools, hospitals, leisure centres with high hot water demand.
- Multiple occupancy buildings – student accommodation, care homes, HMO's serving 50+ people.
- Large heat pump systems up to 40 kW requiring high-capacity indirect storage with solar integration.
- Facilities requiring legionella compliance through high-temperature boost capability.
Technical Specifications
- Brand: OSO Hotwater
- Model: Maxi GeoCoil MGC1000 (15 kW 3x230V + HX 7.0 m²)
- Type: Commercial indirect unvented heat pump cylinder
- Capacity: 1000 litres (865L actual volume)
- Energy Rating: C (ErP)
- Standing Heat Loss: 141W / ~3.4 kWh/24hrs (EN12897)
- Dimensions: Ø1000 mm x 2100 mm height
- Weight: 225 kg empty / ~1225 kg full
- Primary Coil: 7.0 m² smooth scale-resistant titanium alloy
- Heat Pump Capacity: Up to 40 kW + solar up to 40 m²
- Immersion Heaters: 2 x 7.5 kW (15 kW total 3-phase 230/400V)
- Design Pressure: 10 bar
- Thermostat: 70°C setpoint (adjustable 60-90°C) with safety cut-out
- Tank Material: EVERLAST™ high-alloy stainless steel with ULTRAWELD™
- Warranty: 5-10 years commercial tank warranty
Installation & Compliance
Factory-assembled with complete commercial G3 controls package including oversized expansion vessel, multiple safety valves and zoning controls for professional installation in compliance with UK Building Regulations and commercial hygiene standards.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The OSO Maxi GeoCoil MGC1000 is a 1000 litre commercial unvented heat pump cylinder from OSO's class-leading MAXI commercial range, designed for maximum hot water production from heat pumps up to 40 kW. Featuring a massive 7.0 m² smooth scale-resistant titanium alloy coil and advanced VIP + NANOPUR insulation, it delivers rapid recovery and exceptional energy efficiency for demanding commercial applications.
Key Features
- 1000 litre capacity serves large commercial properties, hotels, schools and multiple dwellings.
- 7.0 m² oversized primary coil optimised for heat pumps up to 40 kW and solar collectors up to 40 m².
- Class-leading C-rated efficiency with 141W standing heat loss through advanced VIP and foam insulation.
- 15 kW 3-phase immersion heaters (2 x 7.5 kW) positioned above coil as booster and backup for legionella protection.
- 10 bar design pressure with EVERLAST™ high-alloy stainless steel and ULTRAWELD™ technology for extreme corrosion resistance.
- Thermostat adjustable 60-90°C with anti-legionella cycle and holiday mode for hygiene compliance.
- Compact 1000 mm diameter x 2100 mm height maximises capacity in commercial plant rooms.
- Complete factory-fitted controls including expansion vessel, safety valves and motorised zoning.
Why Buy the OSO Maxi GeoCoil MGC1000?
As part of OSO's proven 50-year commercial MAXI series, the MGC1000 offers unmatched durability, efficiency and customisability for high-demand hot water systems while meeting stringent commercial hygiene and energy regulations.
The combination of oversized heat exchanger, high-power electric backup and superior insulation ensures reliable performance with significant lifetime energy savings in the most demanding applications.
Suitable For
- Commercial properties – hotels, restaurants, schools, hospitals, leisure centres with high hot water demand.
- Multiple occupancy buildings – student accommodation, care homes, HMO's serving 50+ people.
- Large heat pump systems up to 40 kW requiring high-capacity indirect storage with solar integration.
- Facilities requiring legionella compliance through high-temperature boost capability.
Technical Specifications
- Brand: OSO Hotwater
- Model: Maxi GeoCoil MGC1000 (15 kW 3x230V + HX 7.0 m²)
- Type: Commercial indirect unvented heat pump cylinder
- Capacity: 1000 litres (865L actual volume)
- Energy Rating: C (ErP)
- Standing Heat Loss: 141W / ~3.4 kWh/24hrs (EN12897)
- Dimensions: Ø1000 mm x 2100 mm height
- Weight: 225 kg empty / ~1225 kg full
- Primary Coil: 7.0 m² smooth scale-resistant titanium alloy
- Heat Pump Capacity: Up to 40 kW + solar up to 40 m²
- Immersion Heaters: 2 x 7.5 kW (15 kW total 3-phase 230/400V)
- Design Pressure: 10 bar
- Thermostat: 70°C setpoint (adjustable 60-90°C) with safety cut-out
- Tank Material: EVERLAST™ high-alloy stainless steel with ULTRAWELD™
- Warranty: 5-10 years commercial tank warranty
Installation & Compliance
Factory-assembled with complete commercial G3 controls package including oversized expansion vessel, multiple safety valves and zoning controls for professional installation in compliance with UK Building Regulations and commercial hygiene standards.
