The Joule Cyclone Platinum 300 Litre Twin Solar Indirect Unvented Cylinder – TCEMVS-0300LFC is a high-capacity hot water storage solution designed for solar thermal and auxiliary heating systems. With an actual capacity of 288 litres, twin 316L stainless steel heat coils and a durable LDX 2101 stainless steel inner cylinder, it is designed to provide reliable hot water storage for domestic and light-commercial applications.
The cylinder combines a coated mild steel outer casing with dense PU foam insulation to help minimise heat loss, while the twin-coil configuration provides flexibility for solar and secondary heat sources. A single immersion heater port supports a 3 kW @ 230 V immersion, providing an additional heating option where required.
300L Listed Capacity
Twin Solar Coils
Indirect Unvented
1 Year Warranty
Actual Capacity
288 Litres
Heat Exchangers
2 × 316L Stainless Steel Coils
Coil Ratings
16 kW + 18 kW
Heat Loss
2.35 kWh/24h
Applications & suitability
Family Homes
The 288-litre actual capacity provides substantial hot water storage for properties with significant domestic hot water demand.
Solar Thermal Systems
Twin heat coils provide flexibility for solar thermal installations combined with a boiler or secondary heat source.
Light Commercial
Suitable for light-commercial applications requiring high-capacity indirect unvented hot water storage.
New Builds & Renovations
A durable stainless steel cylinder solution for new-build and renovation projects requiring dual-coil flexibility.
Key specifications
| Model |
TCEMVS-0300LFC |
| Brand |
CYCLONE |
| Product Group |
SOLAR |
| Product Type |
Indirect Unvented |
| Listed Capacity |
300 Litres |
| Actual Capacity |
288 Litres |
| Cylinder Material |
LDX 2101 Stainless Steel |
| Outer Casing |
Coated Mild Steel |
| Thermal Insulation |
Dense PU Foam |
| Foam Thickness |
0 |
| Empty Weight |
59 kg |
| Full Weight |
359 kg |
| Number of Immersions |
1 |
| Immersion Specification |
3 kW @ 230 V |
| Number of Heat Exchangers |
2 |
| Coil Material |
316L Stainless Steel |
| Coil 1 Rating |
16 kW |
| Coil 2 Rating |
18 kW |
| Coil 1 Surface Area |
0.58 m² |
| Coil 2 Surface Area |
0.67 m² |
| Coil 1 Max Primary Pressure |
3.5 bar |
| Coil 2 Max Primary Pressure |
3.5 bar |
| Coil 1 Resistance |
0.05 bar |
| Coil 2 Resistance |
0.20 bar |
| Max Mains Water Pressure |
10 bar |
| Operating Pressure |
7 bar |
| Operating Temperature |
60°C |
| Safety Valve Temperature |
90°C |
| Heat Loss |
2.35 kWh/24h |
| Test Standard |
BS EN 12897:2016 |
| Warranty |
1 Year |
Installation & compatibility
The TCEMVS-0300LFC is designed as an indirect unvented solar cylinder with two stainless steel heat exchangers. The twin-coil arrangement provides flexibility for systems using solar thermal alongside a boiler or secondary heat source. The cylinder has a maximum mains water pressure of 10 bar and an operating pressure of 7 bar.
Design & performance benefits
Twin Coil Configuration
Two 316L stainless steel coils rated at 16 kW and 18 kW provide dual heat exchange capability.
Stainless Steel Inner Cylinder
The LDX 2101 stainless steel inner cylinder provides a robust construction for long-term hot water storage.
Dense PU Insulation
Dense PU foam insulation is designed to help minimise heat loss during hot water storage.
Low Standing Heat Loss
The cylinder has a stated standing heat loss of 2.35 kWh/24h, tested to BS EN 12897:2016.
Additional installation features
3 kW Immersion Port
A single immersion heater port supports a 3 kW immersion specification at 230 V.
High Pressure Capability
Specified for up to 10 bar maximum mains water pressure and 7 bar operating pressure.
Robust Construction
The cylinder weighs 59 kg empty and 359 kg when full, reflecting its high-capacity construction.
Ideal for
The Joule Cyclone Platinum 300L Twin Solar Indirect Unvented Cylinder is ideal for family homes, high hot-water demand properties, solar thermal systems, light-commercial installations, new builds and renovation projects. Its 288-litre actual capacity and twin-coil configuration make it particularly suitable for systems requiring solar and auxiliary heating flexibility.
Order Now! Choose the Joule Cyclone Platinum 300L Twin Solar Indirect Unvented Cylinder for high-capacity hot water storage with twin-coil solar and auxiliary heating capability.
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