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 171441 Gas Valve Kit Classic

£113.53

ex. VAT £94.61 Each

For delivery only

Baxi Baxi Baxi / Baxi 5132097 Kit Electrode (Spares)

£38.40

ex. VAT £32.00 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 0020038679 Sealing Gasket

£18.48

ex. VAT £15.40 Each

For delivery only

Vokera Vokera Vokera / Vokera 20019768 Auto Air Vent

£8.39

ex. VAT £6.99 Each

For delivery only

Ariston Ariston Ariston / Ariston 573520  Gasket 3/4

Product code: 28294

Ariston 573520 Gasket 3/4

£2.39

ex. VAT £1.99 Each

For delivery only

Baxi Baxi Baxi / Baxi 7690350 Printed Circuit Board Combi 28 4 Coil

£204.00

ex. VAT £170.00 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 173529 Flamesensing Electrode Kit

£25.52

ex. VAT £21.27 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 172548 Mini Ignition Printed Circuit Board

£119.91

ex. VAT £99.92 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161424040 Pressure Relief Valve

£19.65

ex. VAT £16.37 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 175590 Flow Sensor Hall Effect

£18.73

ex. VAT £15.61 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 0020133816 Electrode

£30.00

ex. VAT £25.00 Each

For delivery only

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

£118.80

ex. VAT £99.00 Each

For delivery only

EPH EPH EPH / EPH Accessories TRV & Lockshield Pack

£18.08

ex. VAT £15.07 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Commercial 176610 Pressure Relief Valve Kit

£59.95

ex. VAT £49.96 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 179030 Filter

Product code: 28324

Vaillant 179030 Filter

£7.79

ex. VAT £6.49 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 175593 Ignitor Unit

£45.92

ex. VAT £38.27 Each

For delivery only

Vokera Vokera Vokera / Vokera 5023 3/4" Fibre Washer

£2.50

ex. VAT £2.08 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87186439890 Safety Valve

£12.57

ex. VAT £10.47 Each

For delivery only

Baxi Baxi Baxi / Baxi 7224765 3 Way Valve Assembly

£151.20

ex. VAT £126.00 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020014161 Automatic Air Vent

£25.20

ex. VAT £21.00 Each

For delivery only

Baxi Baxi Baxi / Baxi 5114748 Pressure Switch

Product code: 53256

Baxi 5114748 Pressure Switch

£26.40

ex. VAT £22.00 Each

For delivery only

Satronic Satronic Satronic / Satronic S01-Mz770S-2 Photocell

£11.39

ex. VAT £9.49 Each

For delivery only

Baxi Baxi Baxi / Baxi 7224342 Pressure Differential Assembly

£124.80

ex. VAT £104.00 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 080387 Complete Flexible Tube

£15.11

ex. VAT £12.59 Each

For delivery only