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 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.
Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 175668 Diverter Valve Cartridge

£107.15

ex. VAT £89.29 Each

For delivery only

Baxi Baxi Baxi / Baxi 231711Bax Printed Circuit Board Kit

£314.40

ex. VAT £262.00 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 175592 Electrode - Detection

£26.79

ex. VAT £22.32 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020020731 Electrode

£18.35

ex. VAT £15.29 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020097214 3 Way Valve

£61.28

ex. VAT £51.07 Each

For delivery only

Alpha Alpha Alpha / Alpha Boilers 1.025576 Printed Circuit Board for CB/HE Models

£274.80

ex. VAT £229.00 Each

For delivery only

Reillo Reillo Reillo / Reillo Rbs149A Capacitor P2 4.5Uf

£30.00

ex. VAT £25.00 Each

For delivery only

Danfoss Danfoss Danfoss / Danfoss D01-030F6306 Nozzle 00.45 X 60 ES

£10.19

ex. VAT £8.49 Each

For delivery only

Baxi Baxi Baxi / Baxi 547008 Sealing Washer 3/4'

£4.56

ex. VAT £3.80 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161068330 Flexible Hose

£28.98

ex. VAT £24.15 Each

For delivery only

Vokera Vokera Vokera / Vokera 5070 Fibre Washer

Product code: 23908

Vokera 5070 Fibre Washer

£2.39

ex. VAT £1.99 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 175551 Expansion Vessel Kit

£130.73

ex. VAT £108.94 Each

For delivery only

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

£243.63

ex. VAT £203.02 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 178973 Heat Exchanger, Dhw (20 Plates)

£188.40

ex. VAT £157.00 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020020721 Seal (Flue Hood Front)

£12.47

ex. VAT £10.39 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 173528 Ignition Electrode Kit

£26.79

ex. VAT £22.32 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020097328 Expansion Vessel 8L

£130.80

ex. VAT £109.00 Each

For delivery only

Danfoss Danfoss Danfoss / Danfoss D01-030H8304 Nozzle 00.40 X 80 EH

£10.19

ex. VAT £8.49 Each

For delivery only

Baxi Baxi Baxi / Baxi 5114691 Expansion Vessel 8L

£82.80

ex. VAT £69.00 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161113250 Gas Valve

£173.88

ex. VAT £144.90 Each

For delivery only

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

£124.80

ex. VAT £104.00 Each

For delivery only

Danfoss Danfoss Danfoss / Danfoss D01-030F6308 Nozzle 00.50 X 60 ES

£9.95

ex. VAT £8.29 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161066100 Siphon

Product code: 95870

Worcester 87161066100 Siphon

£42.84

ex. VAT £35.70 Each

For delivery only

Grant Grant Grant / Grant Boilers Ltd MPrinted Circuit Boards29 Auto Airvent

£14.03

ex. VAT £11.69 Each

For delivery only