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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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Riello Riello / Worcester 87186894930 Control Box Riello Digital Mkiii

Product code: AD371

Worcester 87186894930 Control Box Riello Digital Mkiii

£218.49

ex. VAT £182.07 Each

Baxi Baxi / Baxi 7690358 Printed Circuit Board Kit

Product code: AD147

Baxi 7690358 Printed Circuit Board Kit

£233.99

ex. VAT £194.99 Each

Heatrae Sadia Heatrae Sadia / Heatrae 95606926 Element Plate Assembly 3Kw

Product code: AC844

Heatrae 95606926 Element Plate Assembly 3Kw

£205.49

ex. VAT £171.24 Each

Ideal Boilers Ideal Boilers / Ideal 111947 Fan Assembly Nf200 Classic

Product code: AD365

Ideal 111947 Fan Assembly Nf200 Classic

£311.49

ex. VAT £259.57 Each

Main Main / Main 7679744 Pcb Combi 30 Eco

Product code: AD180

Main 7679744 Pcb Combi 30 Eco

£203.99

ex. VAT £169.99 Each

Worcester Bosch Worcester Bosch / Worcester 87105062670 Temperature Limiter Assembly

Product code: 13543

Worcester 87105062670 Temperature Limiter Assembly

£52.99

ex. VAT £44.16 Each

Remeha Remeha / Remeha 720767301 Spark Electrode

Product code: 38966

Remeha 720767301 Spark Electrode

£41.49

ex. VAT £34.57 Each

Worcester Bosch Worcester Bosch / Worcester 87161165150 Gas Valve

Product code: 44667

Worcester 87161165150 Gas Valve

£136.49

ex. VAT £113.74 Each

Alpha Alpha / Alpha 1.030267 Pcb

Product code: AD162

Alpha 1.030267 Pcb

£268.99

ex. VAT £224.16 Each

Ideal Boilers Ideal 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 £120.41 Each

Vaillant Vaillant / Vaillant 0020010296 Service Cock

Product code: AC947

Vaillant 0020010296 Service Cock

£50.49

ex. VAT £42.07 Each

Worcester Bosch Worcester Bosch / Worcester 8716118443 Fan Assembly Kit

Product code: 73325

Worcester 8716118443 Fan Assembly Kit

£219.99

ex. VAT £183.32 Each

Glowworm Glowworm / Glowworm 0020037309 Fan

Product code: AD024

Glowworm 0020037309 Fan

£267.99

ex. VAT £223.32 Each

Baxi Baxi / Baxi 7224763 Three Way Valve Assembly

Product code: 15920

Baxi 7224763 Three Way Valve Assembly

£180.99

ex. VAT £150.82 Each

Vaillant Vaillant / Vaillant 0020020018 Domestic Hot Water Heat Exchanger (13 Plates)

Product code: 24954

Vaillant 0020020018 Domestic Hot Water Heat Exchanger (13 Plates)

£132.99

ex. VAT £110.82 Each

Tesla Tesla / Tesla Saffire Remote Fire Valve 1/4" 90 degree 1/4" 90 Degree 2m

Product code: AG440

Tesla Saffire Remote Fire Valve 1/4" 90 degree 1/4" 90 Degree 2m

£38.49

ex. VAT £32.07 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 173538 Spark Generator Kit

Product code: 76985

Ideal Domestic 173538 Spark Generator Kit

£68.49

ex. VAT £57.07 Each

Vaillant Vaillant / Vaillant 0020136628 Display (Plus)

Product code: AD212

Vaillant 0020136628 Display (Plus)

£96.00

ex. VAT £80.00 Each

Worcester Bosch Worcester Bosch / Worcester 87161157410 Heat Exchanger Bare incl. New Sump

Product code: 93649

Worcester 87161157410 Heat Exchanger Bare incl. New Sump

£546.99

ex. VAT £455.82 Each

Archergas Archergas / Archergas Pro15 Heating Pro Modulating Pump 15-60/130

Product code: AD036

Archergas Pro15 Heating Pro Modulating Pump 15-60/130

£109.49

ex. VAT £91.24 Each

Worcester Bosch Worcester Bosch / Worcester 87161087220 Diverter Valve Body Assembly

Product code: AD314

Worcester 87161087220 Diverter Valve Body Assembly

£111.99

ex. VAT £93.32 Each

Saunier Duval Saunier Duval / Saunier Duval S5720500 System Pressure Sensor

Product code: 71184

Saunier Duval S5720500 System Pressure Sensor

£39.99

ex. VAT £33.32 Each

Alpha Alpha / Alpha Boilers 1.018064 Diverter Valve Motor Assembly

Product code: 27425

Alpha Boilers 1.018064 Diverter Valve Motor Assembly

£53.99

ex. VAT £44.99 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 174813 Diverter Valve Head

Product code: 96213

Ideal Domestic 174813 Diverter Valve Head

£66.99

ex. VAT £55.82 Each

Vaillant Vaillant / Vaillant 178988 Complete Flow Sensor (Black)

Product code: 48041

Vaillant 178988 Complete Flow Sensor (Black)

£37.99

ex. VAT £31.66 Each

Glowworm Glowworm / Glowworm 0020013711 Condense Syphon Kit
( 1 )

Product code: 17852

Glowworm 0020013711 Condense Syphon Kit

£43.49

ex. VAT £36.24 Each

Worcester Bosch Worcester Bosch / Worcester 8716117868 Gas Valve And Bracket Assembly

Product code: AD374

Worcester 8716117868 Gas Valve And Bracket Assembly

£334.99

ex. VAT £279.16 Each

Ariston Ariston / Ariston 65104696 Expansion Vessel Support

Product code: AD110

Ariston 65104696 Expansion Vessel Support

£297.99

ex. VAT £248.32 Each

Vaillant Vaillant / Vaillant 0020038572 Heat Exchanger

Product code: AD064

Vaillant 0020038572 Heat Exchanger

£189.99

ex. VAT £158.32 Each

Vaillant Vaillant / Vaillant 0020213146 Diverter Valve

Product code: 96733

Vaillant 0020213146 Diverter Valve

£56.49

ex. VAT £47.07 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 175591 Electrode - Ignition

Product code: 55266

Ideal Domestic 175591 Electrode - Ignition

£37.69

ex. VAT £31.41 Each

Baxi Baxi / Baxi 7772687 Gas Valve Kit

Product code: AA490

Baxi 7772687 Gas Valve Kit

£84.99

ex. VAT £70.82 1

Ideal Boilers Ideal Boilers / Ideal Commercial 175981 Flue Manifold - Heat

Product code: 24848

Ideal Commercial 175981 Flue Manifold - Heat

£56.49

ex. VAT £47.07 Each

Worcester Bosch Worcester Bosch / Worcester 87154069500 Heat Exchanger

Product code: AD327

Worcester 87154069500 Heat Exchanger

£215.99

ex. VAT £179.99 Each

Andrews Water Heaters Andrews Water Heaters / Andrews E920 Comp Primary Pump Wilo

Product code: AC985

Andrews E920 Comp Primary Pump Wilo

£266.49

ex. VAT £222.07 Each

Vaillant Vaillant / Vaillant 180937 Covering, Cpl.

Product code: AD216

Vaillant 180937 Covering, Cpl.

£193.99

ex. VAT £161.66 Each

Vaillant Vaillant / Vaillant 0020135134 Heat Exchanger (7 Coil)

Product code: AD054

Vaillant 0020135134 Heat Exchanger (7 Coil)

£763.99

ex. VAT £636.66 Each

Worcester Bosch Worcester Bosch / Worcester 87186849450 Expansion Vessel

Product code: AD367

Worcester 87186849450 Expansion Vessel

£109.99

ex. VAT £91.66 Each

Baxi Baxi / Baxi 7786342 Combustion Ctrl Unit 18/19 Ht

Product code: AD174

Baxi 7786342 Combustion Ctrl Unit 18/19 Ht

£354.99

ex. VAT £295.82 Each

Vokera Vokera / Vokera 10030433 Pcb

Product code: AD160

Vokera 10030433 Pcb

£319.49

ex. VAT £266.24 Each

Vokera Vokera / Vokera 01005369 Condensing Heat Exchanger Assembly

Product code: AD165

Vokera 01005369 Condensing Heat Exchanger Assembly

£502.99

ex. VAT £419.16 Each

Vaillant Vaillant / Vaillant 0020146731 Gas Section With Venturi

Product code: AD048

Vaillant 0020146731 Gas Section With Venturi

£261.00

ex. VAT £217.50 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 175562 Gas Valve Kit

Product code: 87389

Ideal Domestic 175562 Gas Valve Kit

£291.99

ex. VAT £243.32 Each

Vaillant Vaillant / Vaillant 0020231197 Valves (Hydraulic)

Product code: AD405

Vaillant 0020231197 Valves (Hydraulic)

£179.99

ex. VAT £149.99 Each

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

Product code: AD293

Riello 20035388 Digital Control Box Mo535 M1Pf (Firebird)

£212.49

ex. VAT £177.07 Each

Vaillant Vaillant / Vaillant 0020110997 Gas Section

Product code: AC956

Vaillant 0020110997 Gas Section

£203.00

ex. VAT £169.17 Each

Worcester Bosch Worcester Bosch / Worcester 87483006430 Circuit Board

Product code: AD357

Worcester 87483006430 Circuit Board

£113.99

ex. VAT £94.99 Each

Ideal Boilers Ideal Boilers / Ideal 176671 Filling Loop

Product code: AD388

Ideal 176671 Filling Loop

£66.99

ex. VAT £55.82 Each