Manufactured using LDX 2101 stainless steel with a coated mild-steel outer casing and dense PU foam insulation, the cylinder is designed for durability, corrosion resistance and effective heat retention. It incorporates two 3 kW immersion heaters at 230 V to support rapid recovery and is tested to BS EN 12897:2016, with a 25-year warranty for long-term peace of mind.
300L Rated Capacity
Direct Unvented
2 × 3kW Immersion
25-Year Warranty
294 L Actual Capacity
High-capacity storage for demanding hot-water requirements.
2 × 3kW Immersions
Two 3 kW immersion heaters operating at 230 V.
7 bar Operating Pressure
Designed for unvented operation with mains-pressure water.
BS EN 12897:2016
Tested to the specified British standard.
Applications & suitability
Large Residential Properties
Suitable for large homes with multiple bathrooms and high simultaneous hot-water demand.
Light Commercial
Designed for small commercial properties such as guest houses, offices and staff facilities.
New Builds & Renovations
A high-capacity mains-pressure cylinder for new-build and renovation projects.
High-Demand Installations
Ideal where low heat loss, durability, long service life and British-standard testing are priorities.
Key specifications
| Model |
TCEMVD-0300NFC |
| Brand |
CYCLONE |
| Capacity |
300 L rated |
| Actual Capacity |
294 L |
| Product Group Code |
DIRECT |
| Item Category Code |
Stainless |
| ERP Type |
DirectUnvented |
| Cylinder Material |
LDX 2101 stainless steel |
| Outer Casing |
Coated mild steel |
| Thermal Insulation |
Dense PU foam |
| Foam Thickness |
0 mm |
| Number of Immersions |
2 |
| Immersion Specification |
3 kW @ 230 V |
| Maximum Mains Water Pressure |
10 bar |
| Operating Pressure (T&P) |
7 bar |
| Safety Temperature |
90 °C |
| Unit Weight Empty |
53 kg |
| Unit Weight Full |
353 kg |
| Heat Loss |
2.21 kWh/24h |
| Tested to Standard |
BS EN 12897:2016 |
| Warranty |
25 years |
Installation & compatibility
The Joule Cyclone TCEMVD-0300NFC is a direct unvented cylinder designed for mains-pressure hot-water systems. With a maximum mains water pressure of 10 bar and an operating pressure of 7 bar, it is intended for installations requiring high-capacity stored hot water. Always ensure installation is carried out in accordance with applicable requirements and the manufacturer's installation instructions.
Design & performance benefits
High-Capacity Storage
The 294 L actual capacity provides substantial hot-water storage for high-demand applications.
LDX 2101 Stainless Steel
The stainless-steel cylinder construction is designed for durability and corrosion resistance.
Dual Immersion Heating
Two 3 kW immersion heaters provide the specified electric heating capacity.
Heat Retention
Dense PU foam insulation contributes to a specified heat loss of 2.21 kWh/24h.
Additional installation features
Direct System
Designed as a direct unvented hot water cylinder.
Mains Pressure
Suitable for mains-pressure hot-water applications with the specified pressure ratings.
British Standard Tested
Tested to BS EN 12897:2016 as specified.
Ideal for
The Joule Cyclone Direct Unvented 300L Cylinder is ideal for large homes, multiple-bathroom properties, guest houses, offices and staff facilities requiring high-capacity mains-pressure hot water. Its 294 L actual capacity, dual 3 kW immersion heaters, LDX 2101 stainless-steel construction and 25-year warranty make it a suitable choice for high-demand new-build and renovation installations where durability and long-term performance are key considerations.