Toolstation logo

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
Ideal BoilersIdeal Boilers / Ideal Commercial 176610 Pressure Relief Valve Kit

Product code: 51637

Ideal Commercial 176610 Pressure Relief Valve Kit

£68.49

ex. VAT £57.07Each

VaillantVaillant / Vaillant 0020148381 Gas Section With Regulator

Product code: 84558

Vaillant 0020148381 Gas Section With Regulator

£286.99

ex. VAT £239.16Each

VaillantVaillant / Vaillant 0020143440 Electrode, Maintenance Kit

Product code: AC937

Vaillant 0020143440 Electrode, Maintenance Kit

£106.99

ex. VAT £89.16Each

Ideal BoilersIdeal Boilers / Ideal 176365 Burner Seal 100/120Kw Kit

Product code: AD349

Ideal 176365 Burner Seal 100/120Kw Kit

£66.99

ex. VAT £55.82Each

ReilloReillo / Riello 20035388 Digital Control Box Mo535 M1Pf (Firebird)

Product code: AD293

Riello 20035388 Digital Control Box Mo535 M1Pf (Firebird)

£178.99

ex. VAT £149.16Each

AlphaAlpha / Alpha Boilers 3.012752 Diverter Valve (CB24/28)

Product code: 13424

Alpha Boilers 3.012752 Diverter Valve (CB24/28)

£127.49

ex. VAT £106.24Each

Worcester BoschWorcester Bosch / Worcester 87172044100 Fan

Product code: AD273

Worcester 87172044100 Fan

£268.99

ex. VAT £224.16Each

Ideal BoilersIdeal Boilers / Ideal 175553 Flow Group Kit

Product code: AD272

Ideal 175553 Flow Group Kit

£496.99

ex. VAT £414.16Each

AristonAriston / Ariston 65100541 3-Way Spring Kit Dhw

Product code: 11906

Ariston 65100541 3-Way Spring Kit Dhw

£53.49

ex. VAT £44.57Each

Ideal BoilersIdeal Boilers / Ideal 170990 Pump Kit Isar/Icos System

Product code: AD328

Ideal 170990 Pump Kit Isar/Icos System

£320.99

ex. VAT £267.49Each

VaillantVaillant / Vaillant 0020228304 Fan

Product code: AD080

Vaillant 0020228304 Fan

£156.99

ex. VAT £130.82Each

VaillantVaillant / Vaillant 0020240266 Gas Control Valve

Product code: AD406

Vaillant 0020240266 Gas Control Valve

£137.99

ex. VAT £114.99Each

Ideal BoilersIdeal Boilers / Ideal 003114 Gas Valve 1/2Incompact V4600A1023U

Product code: AD421

Ideal 003114 Gas Valve 1/2Incompact V4600A1023U

£159.99

ex. VAT £133.32Each

AlphaAlpha / Alpha 1.023560 Expansion Vessel 8Lt(Cb/Sy/Cd)

Product code: AD143

Alpha 1.023560 Expansion Vessel 8Lt(Cb/Sy/Cd)

£151.49

ex. VAT £126.24Each

ViessmannViessmann / Viessmann 7857233 Control Unit Wb1B Ho

Product code: AD199

Viessmann 7857233 Control Unit Wb1B Ho

£366.00

ex. VAT £305.00Each

Worcester BoschWorcester Bosch / Worcester 8716120409 Pump Assembly Upmo 7M Chg

Product code: 36785

Worcester 8716120409 Pump Assembly Upmo 7M Chg

£268.99

ex. VAT £224.16Each

VokeraVokera / Vokera 20185332 Erp Pump

Product code: AD113

Vokera 20185332 Erp Pump

£288.00

ex. VAT £240.00Each

AristonAriston / Ariston 60000629 Return Group

Product code: AD200

Ariston 60000629 Return Group

£92.49

ex. VAT £77.07Each

Ideal BoilersIdeal Boilers / Ideal 174980 Pcb Primary Mexico He Series

Product code: AD307

Ideal 174980 Pcb Primary Mexico He Series

£492.49

ex. VAT £410.41Each

Ideal BoilersIdeal Boilers / Ideal 177601 Expansion Vessel

Product code: AD128

Ideal 177601 Expansion Vessel

£165.99

ex. VAT £138.32Each

VokeraVokera / Vokera 20007052 Pcb

Product code: AD159

Vokera 20007052 Pcb

£502.99

ex. VAT £419.16Each

AlphaAlpha / Alpha 1.023673 Gas Valve - Dungs

Product code: AD266

Alpha 1.023673 Gas Valve - Dungs

£163.49

ex. VAT £136.24Each

VokeraVokera / Vokera 20039923 Exchanger Assembly Rep 20025765

Product code: AD035

Vokera 20039923 Exchanger Assembly Rep 20025765

£406.99

ex. VAT £339.16Each

ViessmannViessmann / Viessmann 7841779 Plate Heat Exchanger 18 Plates

Product code: AD250

Viessmann 7841779 Plate Heat Exchanger 18 Plates

£155.99

ex. VAT £129.99Each

Worcester BoschWorcester Bosch / Worcester 8716120459 Pump Assembly Upmo 7M End.S

Product code: AD408

Worcester 8716120459 Pump Assembly Upmo 7M End.S

£290.99

ex. VAT £242.49Each

CrosslandCrossland / Crossland F02-F136 489 Filter Element 489

Product code: AA503

Crossland F02-F136 489 Filter Element 489

£3.59

ex. VAT £2.991

BaxiBaxi / Baxi 5114691 Expansion Vessel 8L

Product code: 37506

Baxi 5114691 Expansion Vessel 8L

£71.99

ex. VAT £59.99Each

GlowwormGlowworm / Glowworm 0020097328 Expansion Vessel 8L

Product code: 61401

Glowworm 0020097328 Expansion Vessel 8L

£151.99

ex. VAT £126.66Each

VaillantVaillant / Vaillant 0020197029 Fan

Product code: AD102

Vaillant 0020197029 Fan

£1208.49

ex. VAT £1007.07Each

Ideal BoilersIdeal Boilers / Ideal 177925 Pumpo Head Kit

Product code: AD533

Ideal 177925 Pumpo Head Kit

£406.49

ex. VAT £338.74Each

BaxiBaxi / Baxi 7690353 Printed Circuit Board

Product code: AD227

Baxi 7690353 Printed Circuit Board

£273.99

ex. VAT £228.32Each

Ideal BoilersIdeal Boilers / Ideal Domestic 170996 Dhw Thermistor Kit Isar

Product code: 16563

Ideal Domestic 170996 Dhw Thermistor Kit Isar

£56.49

ex. VAT £47.07Each

Saunier DuvalSaunier Duval / Saunier Duval S5739800 Temperature Sensor

Product code: 28061

Saunier Duval S5739800 Temperature Sensor

£32.99

ex. VAT £27.49Each

Worcester BoschWorcester Bosch / Worcester 8716119294 Expansion Vessel

Product code: AD394

Worcester 8716119294 Expansion Vessel

£154.99

ex. VAT £129.16Each

Worcester BoschWorcester Bosch / Worcester 87161113250 Gas Valve

Product code: 35787

Worcester 87161113250 Gas Valve

£182.99

ex. VAT £152.49Each

Ideal BoilersIdeal Boilers / Ideal Domestic 175660 Flow Turbine Cartridge He24 Fugas P/N 10391

Product code: 11972

Ideal Domestic 175660 Flow Turbine Cartridge He24 Fugas P/N 10391

£62.49

ex. VAT £52.07Each

VaillantVaillant / Vaillant 0020143478 Burner

Product code: AD262

Vaillant 0020143478 Burner

£650.99

ex. VAT £542.49Each

RielloRiello / Worcester 87186894930 Control Box Riello Digital Mkiii

Product code: AD371

Worcester 87186894930 Control Box Riello Digital Mkiii

£218.49

ex. VAT £182.07Each

VokeraVokera / Vokera 10030433 Pcb

Product code: AD160

Vokera 10030433 Pcb

£319.49

ex. VAT £266.24Each

VaillantVaillant / Vaillant 252457 Diverter Valve

Product code: 66438

Vaillant 252457 Diverter Valve

£165.99

ex. VAT £138.32Each

VaillantVaillant / Vaillant 0020135124 Venturi

Product code: AD065

Vaillant 0020135124 Venturi

£185.19

ex. VAT £154.32Each

BaxiBaxi / Baxi 7722642 Pump Kit - Upmo - 15-60 L3 633.0000

Product code: AD120

Baxi 7722642 Pump Kit - Upmo - 15-60 L3 633.0000

£348.00

ex. VAT £290.00Each

Andrews Water HeatersAndrews Water Heaters / Anglo Nordic Apollo Ultrasonic Oil Level Monitor

Product code: AD026

Anglo Nordic Apollo Ultrasonic Oil Level Monitor

£190.99

ex. VAT £159.16Each

BaxiBaxi / Remeha Baxi 720753901 Exp Vsl 8L-24-28-33Kw

Product code: AD093

Remeha Baxi 720753901 Exp Vsl 8L-24-28-33Kw

£147.99

ex. VAT £123.32Each

ViessmannViessmann / Viessmann 7828746 Plate Heat Exchanger, 20 Plates Dhw

Product code: AD169

Viessmann 7828746 Plate Heat Exchanger, 20 Plates Dhw

£175.49

ex. VAT £146.24Each

Ideal BoilersIdeal Boilers / Ideal 176865 Expansion Vessel Kit

Product code: AD375

Ideal 176865 Expansion Vessel Kit

£149.99

ex. VAT £124.99Each

VaillantVaillant / Vaillant 0020141342 Gas Pipe (Top)

Product code: AD175

Vaillant 0020141342 Gas Pipe (Top)

£102.99

ex. VAT £85.82Each

PottertonPotterton / Potterton 5000858 Fan Centrifugal 30 60

Product code: AD347

Potterton 5000858 Fan Centrifugal 30 60

£203.99

ex. VAT £169.99Each