The Joule Cyclone Platinum 170 Litre Twin Solar Indirect Unvented Cylinder (model TCEMVS-0170LFB) is designed to store domestic hot water for systems using solar thermal energy alongside a compatible secondary heat source. Its twin-coil configuration provides separate heat-exchange circuits, while a 3kW immersion heater offers an additional heating option. The cylinder is made with an LDX 2101 stainless-steel inner vessel and a coated mild-steel outer casing.
The supplied specifications list an actual capacity of 170 litres, with a separate “capacity listed” value of 120 litres. Confirm which capacity figure applies to your requirements before purchase. The stated heat loss is 1.39 kWh/24h, and the unit weighs 49kg empty and 219kg full. Check dimensions, connection details, included components and system compatibility with the manufacturer or a suitably qualified installer.
170L Actual Capacity
Twin Solar Coils
Stainless-Steel Cylinder
Indirect Unvented
At a Glance
Cylinder Type
Indirect Unvented
Cyclone Platinum range
Actual Capacity
170 litres
Model: TCEMVS-0170LFB
Heat Exchangers
2 coils
For solar and primary heat sources
Immersion Heater
3kW at 230V
One immersion listed
Key Features
170-Litre Actual Capacity
The supplied details give an actual cylinder capacity of 170 litres. A separate 120-litre capacity value is also listed, so confirm the applicable rating before ordering.
Twin 316L Stainless-Steel Coils
Two heat exchangers are specified, each rated at 16kW with a surface area of 0.58m², for connection to compatible heat sources.
Stainless-Steel Inner Cylinder
The inner vessel is specified as LDX 2101 stainless steel, with a coated mild-steel outer casing.
Immersion Heater Provision
One immersion is listed, rated at 3kW and 230V. Confirm whether the heater is supplied or fitted as part of the product package.
Insulated Construction
Dense PU foam insulation is specified. The listed standing heat loss is 1.39kWh per 24 hours.
Solar and Indirect Heating
The twin-coil design is intended for indirect systems, such as a compatible solar thermal circuit and auxiliary heat source.
Important Installation Guidance:
Have a suitably qualified installer confirm the capacity rating, cylinder dimensions, access route, connections, system compatibility and operating requirements. Unvented cylinders must be installed and commissioned in accordance with the manufacturer’s instructions and applicable regulations. Confirm the supplied components and warranty terms before purchase.
Key Specifications
| Product |
Joule Cyclone Platinum Twin Solar Indirect Unvented Cylinder |
| Model |
TCEMVS-0170LFB |
| Product Group |
Solar |
| Cylinder Type |
Indirect unvented |
| Actual Capacity |
170 litres |
| Capacity Listed Elsewhere |
120 litres; confirm the applicable capacity rating |
| Inner Cylinder Material |
LDX 2101 stainless steel |
| Outer Casing |
Coated mild steel |
| Thermal Insulation |
Dense PU foam |
| Heat Exchangers |
2 |
| Coil Material |
316L stainless steel |
| Coil 1 Rating |
16kW |
| Coil 2 Rating |
16kW |
| Coil Surface Area |
0.58m² each |
| Maximum Primary Pressure, Each Coil |
3.5 bar |
| Coil 1 Resistance |
0.05 bar |
| Maximum Mains Water Pressure |
10 bar |
| Operating Pressure |
7 bar |
| Operating Temperature |
60°C |
| Safety Valve Temperature |
90°C, as supplied |
| Immersions |
1 listed |
| Immersion Specification |
3kW at 230V |
| Heat Loss |
1.39kWh/24h |
| Test Standard |
BS EN 12897:2016, as supplied |
| Empty Weight |
49kg |
| Full Weight |
219kg |
| Warranty |
1 year, as supplied |
Frequently Asked Questions
What is the cylinder’s capacity?
The supplied specifications state an actual capacity of 170 litres and separately list a 120-litre capacity. Confirm the correct rating with the supplier before purchase.
How many coils does this cylinder have?
It is specified with two 316L stainless-steel coils, each rated at 16kW with a surface area of 0.58m².
Does it include an immersion heater?
One 3kW, 230V immersion is listed in the specifications. Check with the supplier whether it is included or fitted with the cylinder.
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