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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.
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Vaillant Vaillant / Vaillant 0020025041 Heat Exchanger, Dhw (35 Plates)

Product code: AC961

Vaillant 0020025041 Heat Exchanger, Dhw (35 Plates)

£219.99

ex. VAT £183.32 Each

Baxi Baxi / Baxi 5111714 Condensate Trap Kit

Product code: 60103

Baxi 5111714 Condensate Trap Kit

£87.99

ex. VAT £73.32 Each

Viessmann Viessmann / Viessmann 7819967 Sensor 3 (Boiler) Wb1/Wb2

Product code: AD254

Viessmann 7819967 Sensor 3 (Boiler) Wb1/Wb2

£94.99

ex. VAT £79.16 Each

Saunier Duval Saunier Duval / Saunier 0020195592 Valves (Hydraulic)

Product code: AD351

Saunier 0020195592 Valves (Hydraulic)

£322.99

ex. VAT £269.16 Each

Worcester Bosch Worcester Bosch / Worcester 87161201310 Diverter Valve Assembly V4044F1109

Product code: AD287

Worcester 87161201310 Diverter Valve Assembly V4044F1109

£206.49

ex. VAT £172.07 Each

Glowworm Glowworm / Glowworm 0020097328 Expansion Vessel 8L

Product code: 61401

Glowworm 0020097328 Expansion Vessel 8L

£151.99

ex. VAT £126.66 Each

Baxi Baxi / Baxi 7211822 Flow Regulator (12 Ltr/Min)

Product code: AD096

Baxi 7211822 Flow Regulator (12 Ltr/Min)

£60.00

ex. VAT £50.00 Each

Remeha Remeha / Remeha 720545001 Flow Switch Assembly

Product code: 69687

Remeha 720545001 Flow Switch Assembly

£113.49

ex. VAT £94.57 Each

Andrews Water Heaters Andrews Water Heaters / Andrews E656 Heat Exchanger

Product code: AD095

Andrews E656 Heat Exchanger

£2609.99

ex. VAT £2174.99 Each

Alpha Alpha / Alpha 1.023673 Gas Valve - Dungs

Product code: AD266

Alpha 1.023673 Gas Valve - Dungs

£163.49

ex. VAT £136.24 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 177358 Sump And Cover Replacement Kit

Product code: 37225

Ideal Domestic 177358 Sump And Cover Replacement Kit

£88.49

ex. VAT £73.74 Each

Baxi Baxi / Baxi 7224765 3 Way Valve Assembly

Product code: 52032

Baxi 7224765 3 Way Valve Assembly

£179.99

ex. VAT £149.99 Each

Vaillant Vaillant / Vaillant 0010030632 Pump High Efficiency

Product code: AA481

Vaillant 0010030632 Pump High Efficiency

£288.99

ex. VAT £240.82 1

Vaillant Vaillant / Vaillant 053574 Gas Valve Assembly

Product code: 43598

Vaillant 053574 Gas Valve Assembly

£316.99

ex. VAT £264.16 Each

Ideal Boilers Ideal Boilers / Ideal 179038 Printed Circuit Board Km821 I2 Kit

Product code: AD409

Ideal 179038 Printed Circuit Board Km821 I2 Kit

£196.49

ex. VAT £163.74 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 175571 Burner Kit

Product code: 17525

Ideal Domestic 175571 Burner Kit

£157.99

ex. VAT £131.66 Each

Worcester Bosch Worcester Bosch / Worcester 8716117400 Pump Assembly

Product code: AD531

Worcester 8716117400 Pump Assembly

£363.99

ex. VAT £303.32 Each

Potterton Potterton / Potterton 5112657 Printed Circuit Board 24Eco Heat Exchanger

Product code: 98627

Potterton 5112657 Printed Circuit Board 24Eco Heat Exchanger

£124.99

ex. VAT £104.16 Each

Ideal Boilers Ideal Boilers / Ideal 176272 Fan - 30,40 & 60Kw

Product code: AD364

Ideal 176272 Fan - 30,40 & 60Kw

£584.99

ex. VAT £487.49 Each

Vaillant Vaillant / Vaillant 160969 Pump

Product code: AD210

Vaillant 160969 Pump

£256.99

ex. VAT £214.16 Each

Worcester Bosch Worcester Bosch / Worcester 87161056520 Fan

Product code: AD289

Worcester 87161056520 Fan

£94.99

ex. VAT £79.16 Each

Glowworm Glowworm / Glowworm 0020079644 Central Heating Pressure Sensor (Was 0020014190)

Product code: 76611

Glowworm 0020079644 Central Heating Pressure Sensor (Was 0020014190)

£34.09

ex. VAT £28.41 Each

Baxi Baxi / Baxi 5122525 Front Panel Seal

Product code: 76139

Baxi 5122525 Front Panel Seal

£41.99

ex. VAT £34.99 Each

Ideal Boilers Ideal Boilers / Ideal 175417 Plate Heat Exchanger Kit 24Kw

Product code: AD297

Ideal 175417 Plate Heat Exchanger Kit 24Kw

£78.49

ex. VAT £65.41 Each

Vaillant Vaillant / Vaillant 0020010295 15Mm Non Return Valve

Product code: 43222

Vaillant 0020010295 15Mm Non Return Valve

£47.99

ex. VAT £39.99 Each

Vaillant Vaillant / Vaillant 190235 Fan, Cpl.

Product code: AC968

Vaillant 190235 Fan, Cpl.

£294.99

ex. VAT £245.82 Each

Glow-Worm Glow-Worm / Glowworm 0020097295 Switch - Reset (Pk5)

Product code: AD198

Glowworm 0020097295 Switch - Reset (Pk5)

£281.99

ex. VAT £234.99 Each

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

Product code: 97500

Ideal Domestic 175596 Water Pressure Transducer

£41.69

ex. VAT £34.74 Each

Worcester Bosch Worcester Bosch / Worcester 87186822900 Diverter Valve Body Assembly

Product code: AD310

Worcester 87186822900 Diverter Valve Body Assembly

£119.99

ex. VAT £99.99 Each

Vaillant Vaillant / Vaillant 0020211453 Pump

Product code: AD121

Vaillant 0020211453 Pump

£634.99

ex. VAT £529.16 Each

Baxi Baxi / Baxi 720790001 Pt To Pt Heat Exchanger 14Ps 24-28-33Kw

Product code: AD019

Baxi 720790001 Pt To Pt Heat Exchanger 14Ps 24-28-33Kw

£127.49

ex. VAT £106.24 Each

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

Product code: AD421

Ideal 003114 Gas Valve 1/2Incompact V4600A1023U

£159.99

ex. VAT £133.32 Each

Worcester Bosch Worcester Bosch / Worcester 8716122007 Gas Valve Sit

Product code: AD412

Worcester 8716122007 Gas Valve Sit

£151.99

ex. VAT £126.66 Each

Ideal Boilers Ideal Boilers / Ideal 175528 Ch Flow Pack - Logic

Product code: AD362

Ideal 175528 Ch Flow Pack - Logic

£58.99

ex. VAT £49.16 Each

Worcester Bosch Worcester Bosch / Worcester 8748300921 Circuit Board

Product code: 40351

Worcester 8748300921 Circuit Board

£128.49

ex. VAT £107.07 Each

Potterton Potterton / Potterton 986328 Ignition And Ionisation Unit

Product code: AC989

Potterton 986328 Ignition And Ionisation Unit

£127.49

ex. VAT £106.24 Each

Baxi Baxi / Baxi 248225 Tap Isolation Return

Product code: 49932

Baxi 248225 Tap Isolation Return

£58.00

ex. VAT £48.33 Each

Worcester Bosch Worcester Bosch / Worcester 8716117628 Pump Sgre2W 7Mh Ch 9H Hu1

Product code: AD398

Worcester 8716117628 Pump Sgre2W 7Mh Ch 9H Hu1

£346.99

ex. VAT £289.16 Each

Baxi Baxi / Baxi 5107339 Gas Valve Vk4105M Assembly

Product code: AD224

Baxi 5107339 Gas Valve Vk4105M Assembly

£167.99

ex. VAT £139.99 Each

Vaillant Vaillant / Vaillant 0020005549 Assembly Kit 178772

Product code: AC940

Vaillant 0020005549 Assembly Kit 178772

£307.99

ex. VAT £256.66 Each

Baxi Baxi / Baxi 720852601 Plte To Plte Heat Exchanger 20 Plts

Product code: AD046

Baxi 720852601 Plte To Plte Heat Exchanger 20 Plts

£139.99

ex. VAT £116.66 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 174486 Primary Control Kit He Series

Product code: 59034

Ideal Domestic 174486 Primary Control Kit He Series

£276.99

ex. VAT £230.82 Each

Potterton Potterton / Potterton 5105945 Fan Assembly. 30,40L

Product code: AD226

Potterton 5105945 Fan Assembly. 30,40L

£326.49

ex. VAT £272.07 Each

Vokera Vokera / Vokera 10023661 Heat Exchanger

Product code: AD161

Vokera 10023661 Heat Exchanger

£348.00

ex. VAT £290.00 Each

Baxi Baxi / Baxi 5114691 Expansion Vessel 8L

Product code: 37506

Baxi 5114691 Expansion Vessel 8L

£87.00

ex. VAT £72.50 Each

Vaillant Vaillant / Vaillant 190732 Pressure Relief Valve

Product code: 75111

Vaillant 190732 Pressure Relief Valve

£52.99

ex. VAT £44.16 Each

Worcester Bosch Worcester Bosch / Worcester 8716118488 Condensation Pump

Product code: AD376

Worcester 8716118488 Condensation Pump

£381.99

ex. VAT £318.32 Each

Vaillant Vaillant / Vaillant 0020056561 Display (Grey)

Product code: AD217

Vaillant 0020056561 Display (Grey)

£93.99

ex. VAT £78.32 Each