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)

Honeywell
Honeywell Home Valencia Classic TRV + Ls 15mm Angled Body VTL120-15A
£43.26

PTCYIDU
24V 200W AC DC Insulated PTC ceramic air heater constant temperature heating element 96A1 140*32*26mm
£9.90

Wholesale Domestic
Dias Colore 800 Watt Digital Electric Heating Element | Brushed Brass | Stainless Steel
£120.00

Addis
Addis White 4 Bar Radiator Airer 2 Pack
£6.99

NONE
3-Second Instant Hot Water Kitchen Faucet with Adjustable Temperature Control - Electric On-Demand Boiling Water Tap for Sink
£81.31

NONE
12V Ceramic Ignition Needle Ignition Plug Heater Flame Detector Heater Accessory For Eberspacher E113 Hydronic D4WSC D5WSC
£20.73

FEBI
FEBI Vauxhall And Opel Zafira Expansion Tank | 47897 | GSF Car Parts
£48.83

NONE
Caravan 1set RV Water Tank Water Inlet Quick Connect Connector for RV Rheinland Water Inlet Filler Cap Quick Hose Connector
£10.77

NONE
Plastic Welding Rods TPO TEO & PP Welder Rods for Car Bumper Kayaks plastic Welder Gun Plastic Welding Rods
£6.48

Marine Color
jebo 5w 18w 36w spare part for water inlet and outlet connector
£12.37

NONE
Wall Mounted Boiler Water Pump Exhaust Valve Featuring Automatic Float Type Air Vent for Efficient Air Release During Operation
£9.34

FEBI
Coolant Expansion Tank FEBI Fits: MERCEDES SL63
£123.52

1
Moda Hot Water Bottle 2 Litre Assorted Colours
£9.34

FEBI
Coolant Expansion Tank FEBI Fits: MERCEDES S280
£175.00

Osma Waste
Wavin Osma Overflow solvent bend 90° 21.5mm white
£22.10

FEBI
Cylinder Head Gasket FEBI Fits: VOLKSWAGEN VENTO
£71.76

Wholesale Domestic
Dias Colore 1000 Watt Digital Electric Heating Element | Brushed Brass | Stainless Steel
£120.00

Dab
DAB VS 65/150-3 (1") M
£154.90

NONE
Hot selling 5YP-12411-00 5P0-12411-0019300-K15-921 Motorcycle Temperature Controller Water Level Regulator Accessories
£13.13

NONE
1pcs Expander Head for Dasheng Shengba 1/4inch/6mm HVAC Tube Expander Tool Air Conditioning Copper Pipe Expansion Tool
£33.37

Hyco
Hyco Speedflow Expansion Vessel Kit
£78.09

PQY
WLR - 5pcs(lot) For Garret T4 Flange Turbine inlet divided gasket Stainless Steel 304 Gasket WLR4805
£6.51

FEBI
Coolant Expansion Tank FEBI Fits: VOLVO V60
£70.96

NONE
Durable 75-160mm Ventilated Rain Cap Stainless Steel Stove Pipe Protector Cover Rain Pipe Cap Chimney Exhaust Hood
£17.78