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Water Heater Accessories

2,469 productsUpdated March 2026
Quinton Hazell FC544 Expansion Tank Cap

QH

Quinton Hazell FC544 Expansion Tank Cap

£10.99

Gates RC218 Radiator Cap

Gates

Gates RC218 Radiator Cap

£38.49

Quinton Hazell QVE552 Expansion Tank

QH

Quinton Hazell QVE552 Expansion Tank

£29.69

EKWB EK Water Blocks EK-Quantum Torque Drain Valve Fitting - Black

EKWB

EKWB EK Water Blocks EK-Quantum Torque Drain Valve Fitting - Black

£30.79

Quinton Hazell QVE572 Expansion Tank

QH

Quinton Hazell QVE572 Expansion Tank

£28.59

Quinton Hazell QVE502 Expansion Tank

QH

Quinton Hazell QVE502 Expansion Tank

£12.09

OHS Adjustable Ribbed Hot Water Bottle Belt - Charcoal

OHS

OHS Adjustable Ribbed Hot Water Bottle Belt - Charcoal

£10.00

Mv Assorted Ballvalve Washer Box W105

MV

Mv Assorted Ballvalve Washer Box W105

£23.57

Canton Coolant Expansion And Fill Tank - 2 Quart (1.9 Litre)

Canton

Canton Coolant Expansion And Fill Tank - 2 Quart (1.9 Litre)

£207.36

Stack ST100 85mm Tachometer - White, 0-8000rpm, White

Stack

Stack ST100 85mm Tachometer - White, 0-8000rpm, White

£282.09

Expansion Tank MAHLE Fits: BMW 3 Touring (E46)

MAHLE

Expansion Tank MAHLE Fits: BMW 3 Touring (E46)

£80.87

D2P Radiator Expansion Header Coolant Tank Compatible With 2004-2014 Opel Astra H H, 2004-2010 Vauxhall Astra MK V 1.3 Replaces 093179469

D2P Radiator Expansion Header Coolant Tank Compatible With 2004-2014 Opel Astra H H, 2004-2010 Vauxhall Astra MK V 1.3 Replaces 093179469

£30.19

ATL Tank Vent Valve -6 Vent Tank Mount, Rollover, Float 200mbar

ATL

ATL Tank Vent Valve -6 Vent Tank Mount, Rollover, Float 200mbar

£506.84

Vetus Connection Kit for Plastic Drinking Water Tank

Vetus

Vetus Connection Kit for Plastic Drinking Water Tank

£91.58

Quinton Hazell QCP3113 Water Pump

QH

Quinton Hazell QCP3113 Water Pump

£89.09

Stack Classic Pro Stepper Motor Oil Temperature Gauge - 40-140 Degrees C, Black

Stack

Stack Classic Pro Stepper Motor Oil Temperature Gauge - 40-140 Degrees C, Black

£217.03

Quinton Hazell QVE560 Expansion Tank

QH

Quinton Hazell QVE560 Expansion Tank

£79.19

Quinton Hazell QCP3189 Water Pump

QH

Quinton Hazell QCP3189 Water Pump

£79.19

Canton Accusump Oil Pressure Accumulators (Reservoir) / Pre-Oiler - 3 Quart, 4 1/4 Inch Diameter 16 Inch Long

Canton

Canton Accusump Oil Pressure Accumulators (Reservoir) / Pre-Oiler - 3 Quart, 4 1/4 Inch Diameter 16 Inch Long

£458.22

FEBI Seat Cordoba Expansion Tank | 02264 | GSF Car Parts

FEBI

FEBI Seat Cordoba Expansion Tank | 02264 | GSF Car Parts

£36.35

Jabsco Discharge Vented Loop - 1 (25mm)

Jabsco

Jabsco Discharge Vented Loop - 1 (25mm)

£38.95

Stack Replacement Sensor For Wideband Lambda Gauge - LSU 4.9

Stack

Stack Replacement Sensor For Wideband Lambda Gauge - LSU 4.9

£148.17

Vetus Stainless Steel Parallel System Wiper Arm

Vetus

Vetus Stainless Steel Parallel System Wiper Arm

£170.33

Quinton Hazell QCP3868BH Water Pump

QH

Quinton Hazell QCP3868BH Water Pump

£217.79