Water Heater Accessories
1,788 productsUpdated April 2026
All (1,788)Water Heater Vents(392)Water Heater Elements(108)Water Heater Pans(10)Hot Water Tanks(248)Water Heater Stacks(65)Anode Rods(16)Water-Heater Expansion Tanks(856)
QH
Quinton Hazell QVE557 Expansion Tank
£39.59
Stack
Stack Battery Voltmeter Gauge - White Dial Face, White
£75.63
Stack
Stack Professional Fuel Pressure Gauge For High Pressure Systems - Black Dial Face 0-7 Bar, Black
£268.34
MEXCO
Mexco MEX3270/6126OE 10L Water Container Foot Ring
£16.04
Gates
Gates RC256 Coolant Tank Cap
£9.89
QH
Quinton Hazell FC551 Expansion Tank Cap
£34.09
D2P Front Radiator Coolant Expansion Header Tank Replacement | Compatible With 2013-2025 Opel / Vauxhall Mokka 1.4 X J13 1.4, 1.6, 1.7 Replaces 1304029
£28.99
QH
Quinton Hazell FC541 Expansion Tank Cap
£15.39
ATL
ATL Tank Vent Valve -6 Vent Tank Mount, Rollover, Float 200mbar
£506.84
Tesla
Tesla Incoloy Immersion Htr 30in+Stat IN30AN
£38.66
Stack
Stack Pro Control Water Temperature Gauge - 40-120 Degrees C, Black
£294.67
QH
Quinton Hazell QCP3607 Water Pump
£62.69
QH
Quinton Hazell QCP3257 Water Pump
£58.29
MAHLE
Expansion Tank MAHLE Fits: PEUGEOT 207 (WA_, WC_)
£25.94
D2P Front Axle, Upper Expansion Tank Coolant Replacement | Compatible With 2017-2020 Bmw 5 G30 F90 Replaces 17139846642
£66.19
VIDAXL
Cylinder leak detector set
£43.31
QH
Quinton Hazell FC569 Expansion Tank Cap
£7.69
QH
Quinton Hazell QCP3460 Water Pump
£59.39
MG Duff
MG Duff Zinc Anode for Max Prop
£40.90
Stack
Stack Wheel Speed Sensor For Stack Speedometers
£97.87
QH
Quinton Hazell QCP3439BH Water Pump
£58.29
Stack
Stack Wiring Harnesses - Standard ST400 Tacho Wiring Harness
£93.01
D2P Engine Coolant Metal Water Pipe Replacement For Front Compatible With 2006 - 2011 Vw Crafter Replaces TVW076121065A
£51.79
ATL
ATL Tank Vent Valve -6 Vent Inline To Suit -6 JIC Ends 50mbar Pressure Relief
£133.64