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Water-Heater Expansion Tanks

110 productsUpdated August 2026

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Sonnet

Sonnet Echo Express SE IIIe Thunderbolt Expansion System

£725.73

up to £869.15

5 offers

Black metal housing Ethernet adapter with dual Thunderbolt ports, labeled "TWIN25G" and two silver SFP28 transceivers on either side, designed for high-speed 25Gb connectivity.

Sonnet

Sonnet Twin25G Internal Fiber 25000 Mbit/s

£545.97

up to £642.07

5 offers

VIDAXL

vidaXL Water Tank with Tap Foldable 2100 L PVC

£163.18

Sadolin

Sadolin Classic Wood Protection Teak 1 Litre

£24.50

up to £62.05

6 offers

VIDAXL

vidaXL Water Tank with Tap Foldable 380 L PVC

£64.70

VIDAXL

vidaXL Water Tank with Tap Foldable 250 L PVC

£61.19

EKWB

EKWB EK Water Blocks EK-Quantum Torque Static Female to Female 90 Fitt

£16.25

VIDAXL

Collapsible Water Tank PVC 3000 L

£179.63

VIDAXL

vidaXL Solar Shower Black 220 cm 20 L

£136.98

EKWB

EKWB EK Water Blocks EK-Quantum Torque Micro 90 Rotary Fitting - Satin

£23.62

Medium Water Soaker - 300 x 56mm - 489L Capacity

£63.54

VIDAXL

vidaXL Water Tank with Tap Foldable 1350 L PVC

£143.56

Baleno

Baleno Oxford Ladies Raincoat - Camel / UK 8

£114.95

VIDAXL

vidaXL Water Tank with Tap Foldable 1000 L PVC

£97.30

MAHLE

Expansion Tank MAHLE Fits: VW PASSAT B5.5 Estate (3B6)

£42.41

VIDAXL

vidaXL Solar Shower Black 214 cm 20 L

£160.94

Sadolin

Sadolin Classic Wood Protection Ebony 2.5 Litre

£42.99

up to £83.39

7 offers

VIDAXL

vidaXL Solar Shower 8 L PVC Steel

£103.37

20mm High Pressure Tee

£3.99

VIDAXL

vidaXL Water Tank with Tap Foldable 750 L PVC

£85.10

MAHLE

Expansion Tank MAHLE Fits: BMW 6 Convertible (E64)

£73.92

MAHLE

Expansion Tank MAHLE Fits: BMW 3 Compact (E46)

£80.87

Athena

S410270015006 - Athena Valve Cover Gasket For KTM SX450 ATV 2009-2010

£27.16

Athena

S410250015063 - Athena Valve Cover Gasket For Kawasaki KXF450 2009-2018

£28.02