Best Water Heaters Parts Deals Online in the UK (25 Deals Found)

Last Updated - 23/08/2025 Sort By:

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FVSTR

New
Instant Electric Tankless Water Heater 220/240V, FVSTR Small Smart Portable Self-Modulating on Demand Use Under Sink Kit
【Installation Note】that the approval of the relevant distribution network operator (DNO) is required for installation an

£99.00 £105.00
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Ariston

New
Ariston VELIS EVO 80L Electric Water Heater, Twin Tank, Shower Ready, Eco Evo, Durable Water Boiler & Hot Water Dispense
Water heater designed and manufactured to be installed in UK

£450.00
New
Carver Cascade 2 Universal Caravan Water heater 12mm 16mm Lrg Tank O Seal Parts
Carver Cascade 2 Water Heater. Or Henry Water Heater. Water Heater Ring Seals. 1 x Tank To Main Housing Seal. To Fit (sm

£5.90
Primaflow

New
Duratherm Resetable Immersion Heater Thermostat 7 Inch 49020307
This listing is for a Pack of 1 x 7 inch immersion heater thermostat with cut out

£10.49
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New
Baxi 5132097 Electrode with lead ? Fits Solo HE & IE Boiler Range
This essential component ensures efficient ignition and smooth operation of your boiler. Built to last, it provides reli

£18.20
Spares2go

New
SPARES2GO 27" Incoloy Hard Hot Water Immersion Heater Boiler Element + Copper Pocket + Thermostat
Hard Water Incoloy Immersion Water Heating Element + Thermostat made for SPARES2GO (27", 3000W, 230V)

£34.99
Best Value
Ariston

New
Ariston Water Heater Expansion Vessel Kit A
Ariston Water Heater Expansion Vessel Kit A

£30.99
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New
Worcester Greenstar 24i & 28i Junior Return-Unit Manifold 87161064420 Compatible
If your part is in repairable condition, then we will repair this for you. Compatible (New and Refurbished). REPAIR SERV

£84.99
Heatrae Sadia

New
HEATRAE SADIA Express 7/1 7/3 15/3 Water Heater Control Valve 95605444
HEATRAE SADIA EXPRESS 7/1 7/3 15/3 WATER HEATER CONTROL VALVE 95605444

£68.91
New
Hot Water Boiler Heater Thermostat Knob for POTTERTON BAXI PROFILE 60e 80
Hot Water Heater Boiler Thermostat Knob for POTTERTON BAXI PROFILE. POTTERTON BAXI PROFILE. Appliance repairs must alway

£12.45
QCXWCJWD

New
Electric Hot Water Faucet 3000W, Tankless Electric Heater Kitchen Sink Faucet, Instant Hot Water Tankless Electric Hot W
【Electric Hot Water Faucet】This electric hot water faucet uses a brushed stainless steel heating element with a heating

£28.49
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VELPAX

New
VELPAX Mini Electric Water Heater, 15L Electric Instantaneous Water Heate,1500W 220V,Waterproof Under Sink Water Heater
【Electric Mini Tank Water Heater】-The Electric Mini Tank Water Heater,1500-watt heating system delivers instant hot wate

£89.99
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New
Gas Water Heater Parts Copper Water and Gas Linkage Valve 710L for Reliable Use
Water and Gas Linkage: This gas water heater assembly valve features a unique water and gas linkage design, allowing for

£24.40
VISLONE

New
VISLONE Electric Tankless Water Heater,220V 3000W Instant On Demand Under Sink Heater with LED Digital Display for Kitch
It is a high efficient water heater with compact size to produce the hot water very quickly.

£39.99 £43.99
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New
Chaffoteaux Britony 2A 2T 11T BF, FF Water Heater Diaphragm 60025809.30 25809.20
Heating Trade Supplies, Tyne View Terrace. Heating Trade Supplies, Tyne View Terrace Wallsend, Tyne and Wear, NE28 6SG.

£4.20
Ariston

New
Ariston PRO1 ECO 80 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B Class Erp Rating, Waterplus Technology
Water heater designed and manufactured to be installed in UK.

£430.00
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New
Pressure Diaphragm For Water Heater Water Connection Heater Parts Black
Pressure diaphragm of 45mm/50mm water heater. Mainly used to increase water pressure. When the water film ruptures, it w

£4.02
New
12V/24V 600W DC Submersible Water Heater Element Stainless Steel Heating Element
Watt: 600W. Heater type:DC water heater. Type: Solar Water Heater Parts. If you found that the surface of the tube has c

£28.85
New
CARVER CASCADE 2 CARAVAN WATER HEATER BOILER GAS SEAL BURNER BOX BAR SPARE PARTS
2 crosshead screws, 2 split washer, and 2 washe. The 2 small Seals are for holding the back of the 2 crosshead modual sc

£6.98
New
AC220V 1000W Metal Water Heater Boiler Electric Tube Heating Element
Brand Name: DERNORD Type: Electric Water Heater Parts Model Number: STBSP1046 Heater type: Electrical Heating Element Po

£16.49
New
Whale Rapid Gas & Electric 8 Litre Water Heater Carver Cascade Replacement
WHALE Rapid Heat Gas & Electric Water Heater. New pressure relief valve with drain function, drains entire water system

£699.95
New
Heater Boiler Thermostat Knob for POTTERTON BAXI PRIMA 30F 40F 50F 60F 80F 100F
Hot Water Heater Boiler Thermostat Knob for POTTERTON BAXI PRIMA. POTTERTON BAXI PRIMA. 30F, 40F, 50F, 60F, 80F, 100F. A

£12.45
New
Water Heater Assembly Efficient and Replacement Parts for Water Heaters
Easy installation and long lasting durability with our water heater assembly for tubing propane. With its built in deple

£10.92 £11.50
New
WORCESTER GREENSTAR JUNIOR 24i & 28i RETURN MANIFOLD UNIT 87161064420 GENUINE
WORCESTER Greenstar 24i Junior he Mk5 2013 NG/LPG. WORCESTER Greenstar 24i system. WORCESTER Greenstar 28i Junior he Mk5

£79.99
New
Ideal Icos HE 12 15 18 24 Ignition Electrode Kit MPN 173528
The Ideal 173528 Ignition Electrode Kit ensures efficient ignition for various Ideal boiler models. Part number: 173528.

£12.72

25 Water Heaters Parts deals are available from: Amazon, eBay stores, starting from £4.02.
The biggest discount we found is 9% on VISLONE Electric Tankless Water Heater,220V 3000W Instant On Demand Under Sink Heater with LED Digital Display for Kitchen Bathroom Washin at Amazon.
The lowest price we found is £4.02 while the highest is £699.95.
Prices for the best Water Heaters Parts deals average at £92.21.
Last updated on August 23, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Water Heaters Parts.