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Home
Heating & Ventilation
Central Heating
Expansion

Expansion

BES stock the correctly sized expansion vessels to meet your needs. Including our new range of robokit compact vessels for when space is tight. Both types are 8, 12, 18 litre capacity vessels with the standard range having 24, 35, 50, 80, 105, litre capacity. All kitemarked to BS 4814. We also stock safety relief valves, mounting brackets, filling loops and sealed system filling kits.

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Mini Expansion Vessel Shock Arrestor - 1/2" BSP TM

Mini Expansion Vessel Shock Arrestor - 1/2" BSP TM

Mini Expansion Vessel Shock Arrestor - 1/2" BSP TM

Mini Expansion Vessel Shock Arrestor - 1/2" BSP TM Part Number: 11355

£19.20 £16.00

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Expansion Vessel - 18 Litres

Expansion Vessel - 18 Litres

Expansion Vessel - 18 Litres

Expansion Vessel - 18 Litres Part Number: 20245

£71.99 £59.99

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Remote Filling Loop with Gauge - 15mm Compression

Remote Filling Loop with Gauge - 15mm Compression

Remote Filling Loop with Gauge - 15mm Compression

Remote Filling Loop with Gauge - 15mm Compression Part Number: 22993

Was £13.02 £10.85 Now £11.70 £9.75

Save £1.32 £1.10 (10%)

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Expansion Vessel - 12 Litres

Expansion Vessel - 12 Litres

Expansion Vessel - 12 Litres

Expansion Vessel - 12 Litres Part Number: 20244

£72.91 £60.76

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Straight Filling Loop with Two Stop Valves - 15mm

Straight Filling Loop with Two Stop Valves - 15mm

Straight Filling Loop with Two Stop Valves - 15mm

Straight Filling Loop with Two Stop Valves - 15mm Part Number: 15583

£9.13 £7.61 As low as £7.31

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Expansion Vessel Central Heating - 50 Litres

Expansion Vessel Central Heating - 50 Litres

Expansion Vessel Central Heating - 50 Litres

Expansion Vessel Central Heating - 50 Litres Part Number: 11638

£101.44 £84.53

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Expansion Vessel Central Heating - 35 Litres

Expansion Vessel Central Heating - 35 Litres

Expansion Vessel Central Heating - 35 Litres

Expansion Vessel Central Heating - 35 Litres Part Number: 11637

£68.44 £57.03

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Expansion Vessel - 24 Litres

Expansion Vessel - 24 Litres

Expansion Vessel - 24 Litres

Expansion Vessel - 24 Litres Part Number: 20246

£85.50 £71.25

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Expansion Vessel Service Valve 3/4" BSP Union x BSP PM

Expansion Vessel Service Valve 3/4" BSP Union x BSP PM

Expansion Vessel Service Valve 3/4" BSP Union x BSP PM

Expansion Vessel Service Valve 3/4" BSP Union x BSP PM Part Number: 23730

£16.57 £13.81

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Expansion Vessel Central Heating - 80 Litres

Expansion Vessel Central Heating - 80 Litres

Expansion Vessel Central Heating - 80 Litres

Expansion Vessel Central Heating - 80 Litres Part Number: 22828

£144.55 £120.46

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Expansion Vessel Central Heating - 12 Litres

Expansion Vessel Central Heating - 12 Litres

Expansion Vessel Central Heating - 12 Litres

Expansion Vessel Central Heating - 12 Litres Part Number: 11351

£31.19 £25.99

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Expansion Vessel Central Heating - 105 Litres

Expansion Vessel Central Heating - 105 Litres

Expansion Vessel Central Heating - 105 Litres

Expansion Vessel Central Heating - 105 Litres Part Number: 22829

£198.97 £165.81

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Expansion Vessel Central Heating - 18 Litres

Expansion Vessel Central Heating - 18 Litres

Expansion Vessel Central Heating - 18 Litres

Expansion Vessel Central Heating - 18 Litres Part Number: 11352

£37.02 £30.85

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Dry Trap Tundish - 15mm x 32mm Compression

Dry Trap Tundish - 15mm x 32mm Compression

Dry Trap Tundish - 15mm x 32mm Compression

Dry Trap Tundish - 15mm x 32mm Compression Part Number: 23731

£27.00 £22.50

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Rectangular Cold Water Storage Tank 18L - 4 Galls

Rectangular Cold Water Storage Tank 18L - 4 Galls

Rectangular Cold Water Storage Tank 18L - 4 Galls

Rectangular Cold Water Storage Tank 18L - 4 Galls Part Number: 17416

£8.23 £6.86

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Arctic Hayes 4 items
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Unbranded 35 items

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Vessel Fixing Kit 2 items
Vessel Service Kit 1 item
Adaptor 2 items
Adjustable Hydrostat 1 item
Backplate 1 item
Byelaw Kit 2 items
Expansion Vessel 11 items
Filling Kit 1 item
Filling Loop 4 items
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146 mm 1 item

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0.16 litres 3 items
35 litres 1 item
50 litres 1 item
12 litres 3 items
18 litres 5 items
114 litres 1 item
8 litres 3 items
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80 litres 1 item
105 litres 1 item

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Acetal Plastic 3 items
Aluminium 2 items
DZR 3 items
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Stainless Steel 1 item

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15 mm & 1/4" 1 item
15 x 32 mm 1 item
1/4" 1 item
1/2" 1 item
1/2" x 3/4" 2 items
3/4" 10 items
15 mm x 22 mm Comp. 1 item
15 x 22 mm 1 item
22 mm x 1" 1 item
180 mm 1 item
1200 mm 1 item
3 m Hose 1 item

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