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Water Heater Accessories

243 productsUpdated July 2026
All (243)Water Heater Vents(52)Water Heater Elements(58)Water Heater Pans(6)Hot Water Tanks(51)Water Heater Stacks(8)Anode Rods(10)Water-Heater Expansion Tanks(50)
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Terma Accessory Valves set in matte white, featuring left-sided 3-axis corner TRVs, pipe masking components, and two cylindrical pipe covers.

Terma

Terma Vario Soft Matt White Left Sided Vision 3 Axis Thermostatic Radiator Valve Set

£125.00

Tankless Water Heater Electric 3500W Instant Shower Heating Kit Electric Hot Water Heating Set for Bathroom Shower Room Toliet

NONE

Tankless Water Heater Electric 3500W Instant Shower Heating Kit Electric Hot Water Heating Set for Bathroom Shower Room Toliet

£67.35

New Stainless Steel Metal Vent Cover Square White Black Grille Cover Built-in Insect Screen HVAC Vents Bathroom Home Office

NONE

New Stainless Steel Metal Vent Cover Square White Black Grille Cover Built-in Insect Screen HVAC Vents Bathroom Home Office

£8.66

China Flat Plate Solar Water Heater Designed 100L 200L 300L 500L Solar Geyser

XMSJ

China Flat Plate Solar Water Heater Designed 100L 200L 300L 500L Solar Geyser

£677.07

Hot Sale 1pcs General Temperature Digital Display Meter Household Natural Gas Water Heater Liquefied Replacement Accessories

NONE

Hot Sale 1pcs General Temperature Digital Display Meter Household Natural Gas Water Heater Liquefied Replacement Accessories

£4.99

Fiamma Turbo Vent Crystal

Fiamma

Fiamma Turbo Vent Crystal

£205.00

80mm 100mm IBC Water Tank Tap Fittings 16mm Nipple Hose Extension Water Pipe Connector Faucet Adapter Garden Watering

GHHWL

80mm 100mm IBC Water Tank Tap Fittings 16mm Nipple Hose Extension Water Pipe Connector Faucet Adapter Garden Watering

£14.49

Intermotor Distributor Cap 40482014J

INTERMOTOR

Intermotor Distributor Cap 40482014J

£11.63

300W 15 Liter 20L 30L DC 12 Voltage 12V 220V Caravan Boiler Tank Storage Electric Hot Water Heater for RV

NONE

300W 15 Liter 20L 30L DC 12 Voltage 12V 220V Caravan Boiler Tank Storage Electric Hot Water Heater for RV

£212.36

40A 8000W Smart WiFi Water Heater Boiler Touch Switch Voice Control Alexa Google Home Remote Countdown

Chevolink

40A 8000W Smart WiFi Water Heater Boiler Touch Switch Voice Control Alexa Google Home Remote Countdown

£12.49

Silver thermostatic heating element with a sleek design, featuring a digital control panel and Bluetooth connectivity, alongside a smartphone displaying temperature settings.

Terma

Terma MOA Blue Silver Heating Element 400W

£125.00

Chrome thermostatic heating element with a sleek design, featuring a round control unit with three buttons and indicator lights, attached to a metallic heating rod.

Terma

Terma MEG Chrome Heating Element 1000W

£80.00

Select Silver Adjustable Air Vent 9 x 3 inch

Select

Select Silver Adjustable Air Vent 9 x 3 inch

£9.00

2 offers
♥Boat Louvered Vent Replace Square Air Vent Grill Ventilation Ducting Cover Outlet Vent For Marine RV

NONE

♥Boat Louvered Vent Replace Square Air Vent Grill Ventilation Ducting Cover Outlet Vent For Marine RV

£3.89

Chrome Head Light Washer Nozzle Cover Caps(Left & Right) For Porsche 911 996 C2 C4 Turbo Facelift

NONE

Chrome Head Light Washer Nozzle Cover Caps(Left & Right) For Porsche 911 996 C2 C4 Turbo Facelift

£51.14

Through Wall Ventilation Kit Round Louvre Vent VC-KRO0184 with White External Vent

Best4Trade-Retail

Through Wall Ventilation Kit Round Louvre Vent VC-KRO0184 with White External Vent

£11.93

Fully thermostatic chrome heating element with a sleek design, featuring a control unit with three buttons and indicator lights, designed for efficient heating at 300w.

Terma

Terma MEG Chrome Heating Element 300W

£95.00

2 offers
Terma MOA Black Heating Element 800W

Terma

Terma MOA Black Heating Element 800W

£80.00

11127584128 Crankcase Vent Hose PCV from Valve Cover for BMW 135I 135IS 335I 535I 640I X1 X3 X4 X5 X6 N55 E82 E88 F10 F12 F13

Niland

11127584128 Crankcase Vent Hose PCV from Valve Cover for BMW 135I 135IS 335I 535I 640I X1 X3 X4 X5 X6 N55 E82 E88 F10 F12 F13

£28.15

VEVOR Retractable Hose Reel Water Hose Reel 20m x 1.3cm 180° Swivel Wall-Mounted

Vevor

VEVOR Retractable Hose Reel Water Hose Reel 20m x 1.3cm 180° Swivel Wall-Mounted

£57.90

RV Heater Air Vents Outlet Air Deflector For Truma Heater Air Guidance Camping Caravan Motorhome Air Conditioning Accessories

NONE

RV Heater Air Vents Outlet Air Deflector For Truma Heater Air Guidance Camping Caravan Motorhome Air Conditioning Accessories

£4.35

Chrome thermostat with a circular design, featuring a blue LED temperature display and control dial, attached to a white heating element by Terma.

Terma

Terma MOA Blue Chrome Heating Element 300W

£150.00

Silver fixed temperature heating element with a sleek design, featuring a round control panel and a 400w power rating, ideal for efficient heating.

Terma

Terma 43D Silver Heating Element 400W

£75.00

VEVOR Water Tank Bladder, 541.3 L Large Capacity, PVC Collapsible Water Bladder Including Spigots and Overflow Kit, Portable Water Storage Bladder for Garden Water Catcher, Black

Vevor

VEVOR Water Tank Bladder, 541.3 L Large Capacity, PVC Collapsible Water Bladder Including Spigots and Overflow Kit, Portable Water Storage Bladder for Garden Water Catcher, Black

£52.99

Deals from Water Heater Accessories Retailers

Groupon UK

40 deals

The Towel Shop

37 deals

Office Furniture Online

33 deals

The Happy Puzzle Company

28 deals

The Jewel Hut

26 deals

AliExpress UK

23 deals