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Water-Heater Expansion Tanks

62 productsUpdated September 2026

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Sonnet

Sonnet Echo Express SE IIIe Thunderbolt Expansion System

£725.73

up to £897.95

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 £663.75

5 offers

Sadolin

Sadolin Classic Wood Protection Teak 1 Litre

£19.99

up to £64.14

8 offers

EKWB

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

£16.25

EKWB

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

£23.62

Baleno

Baleno Oxford Ladies Raincoat - Camel / UK 8

£114.95

MAHLE

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

£42.41

Sadolin

Sadolin Classic Wood Protection Ebony 2.5 Litre

£42.99

up to £86.86

8 offers

20mm High Pressure Tee

£3.99

MAHLE

Expansion Tank MAHLE Fits: BMW 6 Convertible (E64)

£73.92

MAHLE

Expansion Tank MAHLE Fits: BMW 3 Compact (E46)

£80.87

Bga

Cylinder Head Gasket Bga Fits: FORD GALAXY I (WGR) 1.9 TDI

£88.64

ELRING

Cylinder Head Gasket ELRING Fits: CITROËN C4 PICASSO II

£56.99

VETECH

Water Pump VETECH Fits: SMART FORFOUR

£27.22

FEBI

Coolant Expansion Tank FEBI Fits: MERCEDES 260

£86.59

FIRSTLINE

Coolant Temperature Sender Unit FIRSTLINE Fits: MERCEDES E300

£31.62

INA

Water Pump And Thermo Module INA Fits: SKODA OCTAVIA III (5E3, NL3, NR3)

£472.90

FEBI

Coolant Expansion Tank FEBI Fits: DACIA DUSTER

£20.40

FEBI

Coolant Expansion Tank FEBI Fits: VOLVO V60

£70.96

FEBI

Coolant Expansion Tank FEBI Fits: MERCEDES S420

£71.80

FEBI

Air Con Expansion Valve FEBI Fits: BMW 740

£72.14

FIRSTLINE

Holder Additional Water Pump FIRSTLINE Fits: VOLKSWAGEN PASSAT

£48.08

FEBI

Expansion Tank FEBI Fits: MERCEDES E280

£66.71

Bga

Water Pump Bga Fits: JAGUAR / DAIMLER X-TYPE

£52.88