Head to head
Joule Cyclone 200L Indirect vs Vaillant aroTHERM plus 7kW
The Joule Cyclone 200L Indirect is a indirect unvented hot water cylinder, 200 litres. The Vaillant aroTHERM plus 7kW is a r290 monobloc air source heat pump, 7 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Joule Cyclone 200L Indirect | Vaillant aroTHERM plus 7kW | |
|---|---|---|
| Dimensions | 1490 mm high x 540 mm diameter | 1565 x 1100 x 450 mm (H x W x D) |
| Weight | 47 kg | 194 kg (operating) |
| Capacity | 200 litres | - |
| Material | Duplex stainless steel | - |
| ErP rating | C | - |
| Heat output | - | 7 kW |
| SCOP | - | up to 5.03 |
| Refrigerant | - | R290 (propane), low GWP |
| Sound power | - | 58 dB(A) at A7/W35, 60 dB(A) at A7/W55 |
| Max flow temperature | - | 75C |
Sources: Joule Cyclone 200L Indirect, Vaillant aroTHERM plus 7kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Cyclone 200L Indirect if...
A 200 litre indirect cylinder from Joule's Cyclone range, built in duplex stainless steel with a high recovery coil for use with a boiler or heat pump. It suits a three or four-bed house with a standard hot water demand.
Full Cyclone 200L Indirect specifications →Buy or hire the aroTHERM plus 7kW if...
A mid-size aroTHERM plus for a typical three-bed house. It is taller and heavier than the 5kW unit, reflecting a larger outdoor cabinet, and shares the same R290 refrigerant and 75C maximum flow temperature.
Full aroTHERM plus 7kW specifications →Common questions
What is the difference between the Joule Cyclone 200L Indirect and the Vaillant aroTHERM plus 7kW?
The Joule Cyclone 200L Indirect is a indirect unvented hot water cylinder, 200 litres; the Vaillant aroTHERM plus 7kW is a r290 monobloc air source heat pump, 7 kW heat output.
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