Joule Cyclone Air 300L Indirect Standard Unvented Hot Water Cylinder – TCEMVA-0300LFC is a high-capacity unvented hot water cylinder from the Joule Cyclone Air range, designed to provide a neat, all-in-one installation with an internal expansion vessel. The cylinder also features a pre-plumbed cold feed assembly to help simplify installation while maintaining a high-quality, precision-manufactured construction.
This model is an indirect standard unvented cylinder heated through a 316L stainless steel coil, with a 3kW @ 230V electric immersion heater providing additional heating support. The LDX 2101 stainless steel cylinder is housed within a coated mild steel casing and uses dense PU foam insulation to help reduce heat loss.
Joule Cyclone Air
279L Actual Capacity
Indirect Unvented
Internal Expansion Vessel
Actual Capacity
279 Litres
Applications & suitability
High-capacity hot water storage
The 279-litre actual capacity provides substantial hot water storage for installations requiring a larger unvented cylinder.
Indirect heating systems
Designed as an indirect unvented cylinder using a 316L stainless steel coil for primary heating.
All-in-one installation
The Cyclone Air design incorporates an internal expansion vessel, providing a neat and integrated cylinder installation.
Simplified installation
A pre-plumbed cold feed assembly is included to help make the installation process more straightforward.
Key specifications
| Model name/number |
TCEMVA-0300LFC |
| Product Type |
Hot Water Cylinder (Indirect Unvented) |
| Range |
Joule Cyclone Air |
| Actual Capacity |
279 L |
| Height |
2065 mm |
| Diameter |
540 mm |
| Thermal Insulation |
Dense PU Foam |
| Unit Weight Empty |
65 kg |
| Unit Weight Full |
361 kg |
| Cylinder Material |
LDX 2101 |
| Outer Casing |
Coated Mild Steel |
| No. of Immersions |
1 |
| Immersion Specification |
3kW @ 230V |
| Foam Thickness |
0 |
| Max Mains Water Pressure |
10 bar |
| Operating Temperature |
60 °C |
| Operating Pressure |
7 bar |
| Safety Temperature Valve |
95 °C |
| No. of Heat Exchangers |
1 |
| Heat Loss |
2.472 |
| Coil 1 Rating |
23 kW |
| Coil 1 Surface Area |
0.77 m² |
| Coil 1 Max Primary Pressure |
3.5 bar |
| Coil 1 Resistance |
0.08 bar |
Installation & compatibility
Integrated cylinder installation: The Joule Cyclone Air design incorporates an internal expansion vessel and a pre-plumbed cold feed assembly, providing an integrated approach to installation. The indirect heating system uses a 316L stainless steel coil, with one 3kW @ 230V electric immersion heater included for additional heating support.
Design & performance benefits
Internal expansion vessel
The Cyclone Air range incorporates the expansion vessel internally for a neat, all-in-one cylinder installation.
316L stainless steel coil
The indirect heating coil is manufactured from 316L stainless steel and has a rated output of 23kW.
LDX 2101 cylinder
The cylinder is manufactured using LDX 2101 material and is housed within a coated mild steel outer casing.
Dense PU foam insulation
Dense polyurethane foam insulation is used to help reduce heat loss from the stored hot water.
Additional installation features
Pre-plumbed cold feed
The pre-plumbed cold feed assembly helps simplify the cylinder installation process.
Electric immersion backup
One 3kW @ 230V electric immersion heater provides an additional heating option alongside the indirect coil.
High-pressure capability
The cylinder has a maximum mains water pressure of 10 bar and an operating pressure of 7 bar.
Ideal for
Large hot water requirements
The 279L actual capacity is suited to installations requiring substantial hot water storage.
Indirect heating systems
Suitable for systems using the cylinder's 316L stainless steel indirect heating coil.
All-in-one installations
The internal expansion vessel and pre-plumbed cold feed provide an integrated cylinder solution.
Professional installations
A high-capacity Joule Cyclone Air cylinder designed for professional hot water system installations.
The Joule Cyclone Air 300L Indirect Standard Unvented Hot Water Cylinder combines high-capacity hot water storage with an internal expansion vessel and pre-plumbed cold feed assembly. With a 279L actual capacity, 23kW 316L stainless steel coil, 3kW electric immersion and LDX 2101 cylinder construction, the TCEMVA-0300LFC provides a comprehensive solution for indirect unvented hot water installations.
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