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Solar Expansion Vessels

When a liquid's temperature changes in a closed system, like a solar installation, it requires an expansion vessel. However, there are distinct variations between solar systems and central heating systems regarding the placement of the expansion vessel and the required capacity calculation. This is primarily because of the medium used and the way solar systems operate.

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Joule Cyclone High Gain & Solar Twin Slimline Cylinder

JOULE

The Cyclone unvented cylinders are designed with a sleek grey outer casing and a narrower diameter, making them ideal for compact spaces. The Joule...

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Joule Navitas - On Roof 2m Solar Thermal System Kit

JOULE
Original price £1,403.48 Ex-VAT - Original price £2,825.08 Ex-VAT
Original price
£1,403.48 Ex-VAT - £2,825.08 Ex-VAT
£1,403.48 Ex-VAT - £2,825.08 Ex-VAT
Current price £1,403.48 Ex-VAT

The sleek Joule Navitas On-Roof solar system is designed and manufactures to work in Northern European climates. The collector’s black finish makes...

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Flexcon Solar exp.ves. 1000/3,0 [10bar]

Flamco
Original price £3,149.26 Ex-VAT
Original price £3,149.26 Ex-VAT - Original price £3,149.26 Ex-VAT
Original price £3,149.26 Ex-VAT
Current price £2,204.47 Ex-VAT
£2,204.47 Ex-VAT - £2,204.47 Ex-VAT
Current price £2,204.47 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 800/3,0 [10bar]

Flamco
Original price £2,781.31 Ex-VAT
Original price £2,781.31 Ex-VAT - Original price £2,781.31 Ex-VAT
Original price £2,781.31 Ex-VAT
Current price £1,946.91 Ex-VAT
£1,946.91 Ex-VAT - £1,946.91 Ex-VAT
Current price £1,946.91 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 600/3,0 [10bar]

Flamco
Original price £2,026.41 Ex-VAT
Original price £2,026.41 Ex-VAT - Original price £2,026.41 Ex-VAT
Original price £2,026.41 Ex-VAT
Current price £1,418.48 Ex-VAT
£1,418.48 Ex-VAT - £1,418.48 Ex-VAT
Current price £1,418.48 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 425/3,0 [10bar]

Flamco
Original price £1,774.97 Ex-VAT
Original price £1,774.97 Ex-VAT - Original price £1,774.97 Ex-VAT
Original price £1,774.97 Ex-VAT
Current price £1,242.47 Ex-VAT
£1,242.47 Ex-VAT - £1,242.47 Ex-VAT
Current price £1,242.47 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 300/3,0 [10bar]

Flamco
Original price £1,251.61 Ex-VAT
Original price £1,251.61 Ex-VAT - Original price £1,251.61 Ex-VAT
Original price £1,251.61 Ex-VAT
Current price £876.12 Ex-VAT
£876.12 Ex-VAT - £876.12 Ex-VAT
Current price £876.12 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 200/3,0 [10bar]

Flamco
Original price £1,116.85 Ex-VAT
Original price £1,116.85 Ex-VAT - Original price £1,116.85 Ex-VAT
Original price £1,116.85 Ex-VAT
Current price £781.79 Ex-VAT
£781.79 Ex-VAT - £781.79 Ex-VAT
Current price £781.79 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 140/3,0 [10bar]

Flamco
Original price £864.59 Ex-VAT
Original price £864.59 Ex-VAT - Original price £864.59 Ex-VAT
Original price £864.59 Ex-VAT
Current price £605.21 Ex-VAT
£605.21 Ex-VAT - £605.21 Ex-VAT
Current price £605.21 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 110/3,0 [10bar]

Flamco
Original price £849.15 Ex-VAT
Original price £849.15 Ex-VAT - Original price £849.15 Ex-VAT
Original price £849.15 Ex-VAT
Current price £594.40 Ex-VAT
£594.40 Ex-VAT - £594.40 Ex-VAT
Current price £594.40 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 80/2,5 [8bar]

Flamco
Original price £303.16 Ex-VAT
Original price £303.16 Ex-VAT - Original price £303.16 Ex-VAT
Original price £303.16 Ex-VAT
Current price £212.21 Ex-VAT
£212.21 Ex-VAT - £212.21 Ex-VAT
Current price £212.21 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 50/2,5 [8bar]

Flamco
Original price £210.83 Ex-VAT
Original price £210.83 Ex-VAT - Original price £210.83 Ex-VAT
Original price £210.83 Ex-VAT
Current price £147.58 Ex-VAT
£147.58 Ex-VAT - £147.58 Ex-VAT
Current price £147.58 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 35/2,5 [8bar]

Flamco
Original price £168.54 Ex-VAT
Original price £168.54 Ex-VAT - Original price £168.54 Ex-VAT
Original price £168.54 Ex-VAT
Current price £117.98 Ex-VAT
£117.98 Ex-VAT - £117.98 Ex-VAT
Current price £117.98 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 25/2,5 [8bar]

Flamco
Original price £135.52 Ex-VAT
Original price £135.52 Ex-VAT - Original price £135.52 Ex-VAT
Original price £135.52 Ex-VAT
Current price £94.87 Ex-VAT
£94.87 Ex-VAT - £94.87 Ex-VAT
Current price £94.87 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 18/2,5 [8bar]

Flamco
Original price £117.59 Ex-VAT
Original price £117.59 Ex-VAT - Original price £117.59 Ex-VAT
Original price £117.59 Ex-VAT
Current price £82.31 Ex-VAT
£82.31 Ex-VAT - £82.31 Ex-VAT
Current price £82.31 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 12/2,5 [8bar]

Flamco
Original price £103.89 Ex-VAT
Original price £103.89 Ex-VAT - Original price £103.89 Ex-VAT
Original price £103.89 Ex-VAT
Current price £72.72 Ex-VAT
£72.72 Ex-VAT - £72.72 Ex-VAT
Current price £72.72 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

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Flexcon Solar exp.ves. 8/2,5 [8bar]

Flamco
Original price £82.27 Ex-VAT
Original price £82.27 Ex-VAT - Original price £82.27 Ex-VAT
Original price £82.27 Ex-VAT
Current price £57.59 Ex-VAT
£57.59 Ex-VAT - £57.59 Ex-VAT
Current price £57.59 Ex-VAT

Expansion vessels specially designed for solar powered installations (acc. to EN12828). The best expansion vessels thanks to our groundbreaking te...

View full details
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