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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
Baxi Baxi / Baxi 246051 Kit Fan Small

Product code: 68891

Baxi 246051 Kit Fan Small

£391.99

ex. VAT £326.66 Each

Ariston Ariston / Ariston 65100541 3-Way Spring Kit Dhw

Product code: 11906

Ariston 65100541 3-Way Spring Kit Dhw

£64.99

ex. VAT £54.16 Each

Glowworm Glowworm / Glowworm S900817 Pcb Alternative Kfb See Rems Single Fuse

Product code: AC946

Glowworm S900817 Pcb Alternative Kfb See Rems Single Fuse

£195.99

ex. VAT £163.32 Each

Glowworm Glowworm / Glowworm 2000800089 Mechanical Timer

Product code: AC966

Glowworm 2000800089 Mechanical Timer

£259.99

ex. VAT £216.66 Each

Baxi Baxi / Baxi 7217661 User Interaction Controller Ho

Product code: AD034

Baxi 7217661 User Interaction Controller Ho

£115.99

ex. VAT £96.66 Each

Saunier Duval Saunier Duval / Saunier Duval S1020600 Z Pipe

Product code: 25185

Saunier Duval S1020600 Z Pipe

£47.79

ex. VAT £39.82 Each

Potterton Potterton / Potterton 5112321 Kit Fan 70 80 He

Product code: AD220

Potterton 5112321 Kit Fan 70 80 He

£329.99

ex. VAT £274.99 Each

Glowworm Glowworm / Glowworm 2000801991 Pcb Tpo Micron 60 80

Product code: AD206

Glowworm 2000801991 Pcb Tpo Micron 60 80

£294.99

ex. VAT £245.82 Each

Vaillant Vaillant / Vaillant 0020110998 Gas Valve

Product code: AD389

Vaillant 0020110998 Gas Valve

£259.99

ex. VAT £216.66 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

Glowworm Glowworm / Glowworm 0020020716 Flue Duct Top Assembly

Product code: AD234

Glowworm 0020020716 Flue Duct Top Assembly

£83.99

ex. VAT £69.99 Each

Baxi Baxi / Baxi 7686344 Ignition Electrode

Product code: AD186

Baxi 7686344 Ignition Electrode

£78.00

ex. VAT £65.00 Each

Baxi Baxi / Baxi 7661826 Safety/Press Relief Valve Kit

Product code: AD042

Baxi 7661826 Safety/Press Relief Valve Kit

£72.99

ex. VAT £60.82 Each

Baxi Baxi / Baxi 720011701 Fan Centrifugal 325V Dc

Product code: AD153

Baxi 720011701 Fan Centrifugal 325V Dc

£194.49

ex. VAT £162.07 Each

Alpha Alpha / Alpha 1.027959 Pcb

Product code: AD267

Alpha 1.027959 Pcb

£268.99

ex. VAT £224.16 Each

Vaillant Vaillant / Vaillant 0020211453 Pump

Product code: AD121

Vaillant 0020211453 Pump

£634.99

ex. VAT £529.16 Each

Vaillant Vaillant / Vaillant 0020148381 Gas Section With Regulator

Product code: 84558

Vaillant 0020148381 Gas Section With Regulator

£286.99

ex. VAT £239.16 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 176931 Hardware Box Kit

Product code: AD316

Ideal 176931 Hardware Box Kit

£248.49

ex. VAT £207.07 Each

Glowworm Glowworm / Glowworm 0010030631 Pump - High Efficiency

Product code: AA483

Glowworm 0010030631 Pump - High Efficiency

£310.99

ex. VAT £259.16 1

Vaillant Vaillant / Vaillant 0020068956 Connection Tube

Product code: 55737

Vaillant 0020068956 Connection Tube

£51.99

ex. VAT £43.32 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

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

Glowworm Glowworm / Glowworm 2000800532 Fan Assembly Ult 120Ff

Product code: AC957

Glowworm 2000800532 Fan Assembly Ult 120Ff

£407.99

ex. VAT £339.99 Each

Baxi Baxi / Baxi 7690359 Printed Circuit Board

Product code: AD228

Baxi 7690359 Printed Circuit Board

£253.00

ex. VAT £210.83 Each

Ideal Boilers Ideal Boilers / Ideal 177661 Primary Pcb I6 / 2 - After Serial Number Abr

Product code: AD317

Ideal 177661 Primary Pcb I6 / 2 - After Serial Number Abr

£351.49

ex. VAT £292.91 Each

Vaillant Vaillant / Vaillant 0020146732 Gas Section With Venturi

Product code: AD083

Vaillant 0020146732 Gas Section With Venturi

£239.99

ex. VAT £199.99 Each

Vaillant Vaillant / Vaillant 0020272056 Seal Kit

Product code: AD399

Vaillant 0020272056 Seal Kit

£120.99

ex. VAT £100.82 Each

Worcester Bosch Worcester Bosch / Worcester Bosch 8716122434 Expansion Vessel 7L

Product code: AA492

Worcester Bosch 8716122434 Expansion Vessel 7L

£119.99

ex. VAT £99.99 1

Glow-Worm Glow-Worm / Glowworm 2000802664 Gas Section

Product code: AD145

Glowworm 2000802664 Gas Section

£292.00

ex. VAT £243.33 Each

Potterton Potterton / Potterton 900312 Kingfisher Pcb

Product code: AD221

Potterton 900312 Kingfisher Pcb

£277.99

ex. VAT £231.66 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

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 194819 Complete Aqua-Sensor

Product code: 94730

Vaillant 194819 Complete Aqua-Sensor

£101.49

ex. VAT £84.57 Each

Ideal Boilers Ideal Boilers / Ideal 176467 Plate Heat Exchanger Kit 24K

Product code: AD346

Ideal 176467 Plate Heat Exchanger Kit 24K

£125.99

ex. VAT £104.99 Each

Heatrae Sadia Heatrae Sadia / Heatrae 95605885 Isolating Valve Megaflo Eco

Product code: 97896

Heatrae 95605885 Isolating Valve Megaflo Eco

£34.99

ex. VAT £29.16 Each

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

Product code: AD349

Ideal 176365 Burner Seal 100/120Kw Kit

£66.99

ex. VAT £55.82 Each

Baxi Baxi / Baxi 242497 Heat Exchanger Assembly Complete

Product code: AD105

Baxi 242497 Heat Exchanger Assembly Complete

£675.99

ex. VAT £563.32 Each

Vokera Vokera / Vokera 20021496 3 Way Htng Manif & Cartridge

Product code: AD127

Vokera 20021496 3 Way Htng Manif & Cartridge

£105.99

ex. VAT £88.32 Each

Crossland Crossland / Crossland F02-F136 489 Filter Element 489

Product code: AA503

Crossland F02-F136 489 Filter Element 489

£3.59

ex. VAT £2.99 1

Worcester Bosch Worcester Bosch / Worcester 8718600083 Control Box Uba3

Product code: AD270

Worcester 8718600083 Control Box Uba3

£437.99

ex. VAT £364.99 Each

Vaillant Vaillant / Vaillant 0020195458 Gas Control Valve (-5Pa)

Product code: AD425

Vaillant 0020195458 Gas Control Valve (-5Pa)

£226.99

ex. VAT £189.16 Each

Johnson & Starley Johnson & Starley / Johnson And Starley 1000-0522635 Fan C/W 2 Gaskets & 5 Screw

Product code: AD225

Johnson And Starley 1000-0522635 Fan C/W 2 Gaskets & 5 Screw

£367.49

ex. VAT £306.24 Each

Baxi Baxi / Remeha 7219280 Service Kit - Post Serial Number 0616

Product code: AD336

Remeha 7219280 Service Kit - Post Serial Number 0616

£178.99

ex. VAT £149.16 Each

Glowworm Glowworm / Glowworm 2000800421 Fan Ultimate 80Ff

Product code: AC959

Glowworm 2000800421 Fan Ultimate 80Ff

£387.99

ex. VAT £323.32 Each

EOGB EOGB / EOGB Ltd F08-0890-A-14M-S Flexible 890Mm Biogreen New Mectron

Product code: 14525

EOGB Ltd F08-0890-A-14M-S Flexible 890Mm Biogreen New Mectron

£17.69

ex. VAT £14.74 Each

Baxi Baxi / Baxi 720301001 Kit Gas Valve Sit 848mm

Product code: 31729

Baxi 720301001 Kit Gas Valve Sit 848mm

£114.99

ex. VAT £95.82 Each

Vaillant Vaillant / Vaillant 0020143478 Burner

Product code: AD262

Vaillant 0020143478 Burner

£650.99

ex. VAT £542.49 Each