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Boiler Spares

Need a replacement part for a boiler? You’ve come to the right place – at Toolstation, we stock hundreds of boiler spares to help you... 

Need a replacement part for a boiler? You’ve come to the right place – at Toolstation, we stock hundreds of boiler spares to help you carry out any service or repair as quickly and efficiently as possible.

We have official replacement parts for an extensive range of boiler brands. Find spare parts for Baxi, Ideal, Danfoss, Worcester Bosch, Vaillant and many more.

Boiler Parts 

Our boiler parts are all listed with the manufacturer’s part ID number, so it couldn’t be easier to find any of the heating spare parts you’re looking for. From valves, switches and sensors to heat exchangers, PCBs and automatic air vents, you’ll always be sure of a Job Done Right when you visit Toolstation.

Related Categories
Worcester BoschWorcester Bosch / Worcester 87161087230 Diverter Valve Actuator Assembly

Product code: 96399

Worcester 87161087230 Diverter Valve Actuator Assembly

£143.99

ex. VAT £119.99Each

Heatrae SadiaHeatrae Sadia / Heatrae 95606926 Element Plate Assembly 3Kw

Product code: AC844

Heatrae 95606926 Element Plate Assembly 3Kw

£205.49

ex. VAT £171.24Each

BaxiBaxi / Baxi 248224 Tap Isolation Flow

Product code: 24975

Baxi 248224 Tap Isolation Flow

£47.99

ex. VAT £39.99Each

Worcester BoschWorcester Bosch / Worcester 8716117577 Pump Head

Product code: AD312

Worcester 8716117577 Pump Head

£424.99

ex. VAT £354.16Each

Heatrae SadiaHeatrae Sadia / Heatrae 95605886 Pressure Reducing Valve

Product code: AD337

Heatrae 95605886 Pressure Reducing Valve

£110.99

ex. VAT £92.49Each

GrantGrant / Grant Mpcbs20/A Divertor Valve

Product code: AD263

Grant Mpcbs20/A Divertor Valve

£216.00

ex. VAT £180.00Each

Ideal BoilersIdeal Boilers / Ideal 175670 Pump Head Kit

Product code: AD537

Ideal 175670 Pump Head Kit

£316.99

ex. VAT £264.16Each

Ideal BoilersIdeal Boilers / Ideal 173532 User Control Kit - Icos/Icos Syst He

Product code: AD300

Ideal 173532 User Control Kit - Icos/Icos Syst He

£144.49

ex. VAT £120.41Each

Ideal BoilersIdeal Boilers / Ideal 175618 Heat Engine Gasket Kit

Product code: AD274

Ideal 175618 Heat Engine Gasket Kit

£82.99

ex. VAT £69.16Each

VaillantVaillant / Vaillant 0020144589 Casing Parts, Front (Pro)

Product code: AC938

Vaillant 0020144589 Casing Parts, Front (Pro)

£205.99

ex. VAT £171.66Each

Worcester BoschWorcester Bosch / Worcester 77161920070 Electronic Timer-T230E7

Product code: AD321

Worcester 77161920070 Electronic Timer-T230E7

£202.99

ex. VAT £169.16Each

Ideal BoilersIdeal Boilers / Ideal 173533 User Control Kit - Isar He

Product code: AD306

Ideal 173533 User Control Kit - Isar He

£154.99

ex. VAT £129.16Each

PottertonPotterton / Potterton 402550 Cvi Gas Valve

Product code: AD302

Potterton 402550 Cvi Gas Valve

£132.99

ex. VAT £110.82Each

BaxiBaxi / Remeha 720481601 Safety Pressure Relief Valve With Pipe

Product code: AD341

Remeha 720481601 Safety Pressure Relief Valve With Pipe

£77.99

ex. VAT £64.99Each

BaxiBaxi / Baxi 720222801 Electrode Ignition

Product code: 45059

Baxi 720222801 Electrode Ignition

£36.99

ex. VAT £30.82Each

AlphaAlpha / Alpha Boilers 3.013211 Direct Heat Flow Switch (CB24/28/CD24C)

Product code: 13527

Alpha Boilers 3.013211 Direct Heat Flow Switch (CB24/28/CD24C)

£46.59

ex. VAT £38.82Each

PottertonPotterton / Potterton 986328 Ignition And Ionisation Unit

Product code: AC989

Potterton 986328 Ignition And Ionisation Unit

£127.49

ex. VAT £106.24Each

Heatrae SadiaHeatrae Sadia / Heatrae 95605885 Isolating Valve Megaflo Eco

Product code: 97896

Heatrae 95605885 Isolating Valve Megaflo Eco

£34.99

ex. VAT £29.16Each

AlphaAlpha / Alpha 3.02519 Pcb Printed Circuit Board Kit

Product code: AD179

Alpha 3.02519 Pcb Printed Circuit Board Kit

£259.49

ex. VAT £216.24Each

Worcester BoschWorcester Bosch / Worcester 87161425050 Expansion Vessel 12L

Product code: AD286

Worcester 87161425050 Expansion Vessel 12L

£149.99

ex. VAT £124.99Each

Ideal BoilersIdeal Boilers / Ideal 176001 Expansion Vessel Kit

Product code: AD363

Ideal 176001 Expansion Vessel Kit

£130.99

ex. VAT £109.16Each

Ideal BoilersIdeal Boilers / Ideal Commercial 177540 Expansion Vessel Kit - Abk Onwards

Product code: 16568

Ideal Commercial 177540 Expansion Vessel Kit - Abk Onwards

£145.49

ex. VAT £121.24Each

ValorValor / Valor 3002988 Pilot Unit

Product code: AD348

Valor 3002988 Pilot Unit

£56.49

ex. VAT £47.07Each

BaxiBaxi / Baxi 720222901 Electrode Ionisation

Product code: 59018

Baxi 720222901 Electrode Ionisation

£34.99

ex. VAT £29.16Each

Worcester BoschWorcester Bosch / Worcester 87377046110 Diverter Valve Assembly

Product code: AD358

Worcester 87377046110 Diverter Valve Assembly

£93.99

ex. VAT £78.32Each

RielloRiello / Riello 3013073 Control Box Rmg

Product code: AD074

Riello 3013073 Control Box Rmg

£199.49

ex. VAT £166.24Each

HoneywellHoneywell / Honeywell Gas V4600C1086 Gas Valve 1/2"
( 1 )

Product code: 14227

Honeywell Gas V4600C1086 Gas Valve 1/2"

£138.99

ex. VAT £115.82Each

Worcester BoschWorcester Bosch / Worcester 87161087220 Diverter Valve Body Assembly

Product code: AD314

Worcester 87161087220 Diverter Valve Body Assembly

£111.99

ex. VAT £93.32Each

GlowwormGlowworm / Glowworm Printed Circut Board

Product code: AD100

Glowworm Printed Circut Board

£139.49

ex. VAT £116.24Each

Worcester BoschWorcester Bosch / Worcester 87161567460 Diverter Valve V37 Uk

Product code: 88286

Worcester 87161567460 Diverter Valve V37 Uk

£160.99

ex. VAT £134.16Each

Ideal BoilersIdeal Boilers / Ideal 172625 Fan Kit (Fime Fan Px130/0047 & 0081)

Product code: AD368

Ideal 172625 Fan Kit (Fime Fan Px130/0047 & 0081)

£196.49

ex. VAT £163.74Each

VaillantVaillant / Vaillant 0020128697 Wiring Harness

Product code: AD214

Vaillant 0020128697 Wiring Harness

£50.49

ex. VAT £42.07Each

Ideal BoilersIdeal Boilers / Ideal Domestic 175596 Water Pressure Transducer
( 2 )

Product code: 97500

Ideal Domestic 175596 Water Pressure Transducer

£41.69

ex. VAT £34.74Each

Ideal BoilersIdeal Boilers / Ideal 175528 Ch Flow Pack - Logic

Product code: AD362

Ideal 175528 Ch Flow Pack - Logic

£58.99

ex. VAT £49.16Each

Worcester BoschWorcester Bosch / Worcester 87161049190 Diverter Valve Body

Product code: AD326

Worcester 87161049190 Diverter Valve Body

£118.99

ex. VAT £99.16Each

AlphaAlpha / Alpha 1.029813 Pcb

Product code: AD170

Alpha 1.029813 Pcb

£265.49

ex. VAT £221.24Each

VaillantVaillant / Vaillant 0020209505 Sensor

Product code: AD257

Vaillant 0020209505 Sensor

£147.99

ex. VAT £123.32Each

BaxiBaxi / Baxi 5114692 Expansion Vessel 10 Ltr

Product code: 44737

Baxi 5114692 Expansion Vessel 10 Ltr

£97.49

ex. VAT £81.24Each

GlowwormGlowworm / Glow 0010030667 Pump - High Efficency

Product code: AD532

Glow 0010030667 Pump - High Efficency

£396.99

ex. VAT £330.82Each

Ideal BoilersIdeal Boilers / Ideal 179020 Diverter Paddle And Body Kit

Product code: AD284

Ideal 179020 Diverter Paddle And Body Kit

£114.99

ex. VAT £95.82Each

Ideal BoilersIdeal Boilers / Ideal Domestic 175615 Heat Engine Kit

Product code: 42798

Ideal Domestic 175615 Heat Engine Kit

£557.99

ex. VAT £464.99Each

Ideal BoilersIdeal Boilers / Ideal 176464 Expansion Vessel Kit

Product code: AD379

Ideal 176464 Expansion Vessel Kit

£140.49

ex. VAT £117.07Each

VokeraVokera / Vokera 20044364 Safety Valve

Product code: 68085

Vokera 20044364 Safety Valve

£31.59

ex. VAT £26.32Each

Saunier DuvalSaunier Duval / Saun 0020195510 Fan, With Combustion Chamber Cover

Product code: AD053

Saun 0020195510 Fan, With Combustion Chamber Cover

£429.69

ex. VAT £358.07Each

Ideal BoilersIdeal Boilers / Ideal Domestic 175571 Burner Kit

Product code: 17525

Ideal Domestic 175571 Burner Kit

£157.99

ex. VAT £131.66Each

GlowwormGlowworm / Glowworm 2000801901 Block Pump

Product code: AC976

Glowworm 2000801901 Block Pump

£247.99

ex. VAT £206.66Each

Worcester BoschWorcester Bosch / Worcester 8716117023 Expansion Vessel

Product code: AD359

Worcester 8716117023 Expansion Vessel

£97.99

ex. VAT £81.66Each

Ideal BoilersIdeal Boilers / Ideal 182490 Pump Kit

Product code: AA489

Ideal 182490 Pump Kit

£407.49

ex. VAT £339.571