The Joule Cyclone Air 150L Indirect Unvented Cylinder (TCEMVA-0150LFB) is designed to provide reliable domestic hot water storage with indirect heating and electric immersion backup. Part of the Joule Cyclone Air range, it features an internal expansion vessel for a neat, all-in-one cylinder installation, making it a popular choice with customers and installers. The cylinder is constructed from LDX 2101 stainless steel with a coated mild steel outer casing and incorporates a 316L stainless steel heating coil heated by the boiler. A 3kW @ 230V immersion heater provides additional hot water capacity when required, while the cylinder's insulation is designed to help reduce heat loss.
147 Litre Capacity Joule Cyclone Air Indirect Unvented Internal Expansion Vessel
147L
Actual capacity
20kW
316L stainless steel coil
3kW
Immersion heater
7 bar
Operating pressure
Applications & suitability
Domestic Hot Water
Designed for reliable domestic hot water storage in residential properties requiring an indirect unvented cylinder.
Boiler-Heated Systems
The 316L stainless steel coil is designed for indirect heating from a boiler primary system.
All-in-One Installations
The internal expansion vessel provides a neat, integrated cylinder installation without requiring a separate external expansion vessel.
Domestic Properties
The 147 litre actual capacity provides substantial hot water storage for suitable domestic installations.
Key specifications
| Specification |
Value |
| Model name/number |
TCEMVA-0150LFB |
| Product Type |
Hot Water Cylinder (Indirect Unvented) |
| Range |
Joule Cyclone Air |
| Actual Capacity |
147 L |
| Height |
1190 mm |
| Diameter |
540 mm |
| Unit Weight Empty |
29 kg |
| Unit Weight Full |
187 kg |
| Cylinder Material |
LDX 2101 stainless steel |
| Outer Casing |
Coated mild steel |
| Number of Immersions |
1 |
| Coil Material |
316L stainless steel |
| Immersion Specification |
3kW @ 230V |
| Foam Thickness |
0 mm |
| Max Mains Water Pressure |
10 bar |
| Operating Temperature |
60 °C |
| Operating Pressure |
7 bar |
| Safety Temperature Valve |
95 °C |
| Number of Heat Exchangers |
1 |
| Coil 1 Rating |
20 kW |
| Coil 1 Surface Area |
0.58 m² |
| Coil 1 Max Primary Pressure |
3.5 bar |
| Coil 1 Resistance |
0.05 bar |
| Heat Loss |
1.32 kWh/24h |
Installation & compatibility
Indirect heating with integrated expansion: The Joule Cyclone Air 150L is designed for indirect heating through its 316L stainless steel coil, which is heated by the boiler primary. The integrated expansion vessel provides an all-in-one cylinder arrangement, helping create a neat installation. The cylinder also includes one 3kW @ 230V immersion heater for additional hot water heating when required.
Design & performance benefits
Internal Expansion Vessel
The integrated expansion vessel provides a neat, all-in-one cylinder installation without the need for a separate external expansion vessel.
LDX 2101 Stainless Steel
The cylinder uses LDX 2101 stainless steel construction, paired with a coated mild steel outer casing.
20kW Heating Coil
A 316L stainless steel coil rated at 20kW provides the primary heat exchange for indirect hot water heating.
Low Heat Loss
The cylinder has a specified heat loss of 1.32 kWh/24h, supporting efficient retention of stored hot water.
Additional installation features
Auxiliary Immersion Heating
Includes one 3kW @ 230V immersion heater for additional hot water heating when required.
Pressure Performance
Maximum mains water pressure is 10 bar, with an operating pressure of 7 bar and a coil maximum primary pressure of 3.5 bar.
Compact Cylindrical Format
The 1190mm height and 540mm diameter provide the specified dimensions for this 147 litre actual-capacity cylinder.
Ideal for
The Joule Cyclone Air 150L Indirect Unvented Cylinder is ideal for domestic hot water systems requiring reliable indirect heating, integrated expansion and electric immersion backup. With a 147 litre actual capacity, LDX 2101 stainless steel construction, 316L stainless steel 20kW coil and internal expansion vessel, it provides a practical all-in-one cylinder solution. The unit operates at 7 bar, supports maximum mains water pressure of 10 bar and has a specified heat loss of 1.32 kWh/24h. Model TCEMVA-0150LFB is suited to installations where durability, integrated expansion and dependable indirect hot water storage are priorities.
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