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.
Vaillant Vaillant Vaillant / Vaillant 0020010295 15Mm Non Return Valve

£43.20

ex. VAT £36.00 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 053574 Gas Valve Assembly

£261.98

ex. VAT £218.32 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 8716118443 Fan Assembly Kit

£202.86

ex. VAT £169.05 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 252457 Diverter Valve

£150.00

ex. VAT £125.00 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 0020059717 Sensor

Product code: 82999

Vaillant 0020059717 Sensor

£28.98

ex. VAT £24.15 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 178965 Support

Product code: 88473

Vaillant 178965 Support

£75.60

ex. VAT £63.00 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161065050 Tube - Gas Supply

£9.11

ex. VAT £7.59 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 181051  Expansion Vessel

£129.98

ex. VAT £108.32 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161164740 Fan Assembly

£235.62

ex. VAT £196.35 Each

For delivery only

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

£505.04

ex. VAT £420.87 Each

For delivery only

Midbrass Midbrass Midbrass / Midbrass Bfptn-A Midbras 1/8" Pressure Test Nipple Ng

£2.39

ex. VAT £1.99 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester Heat Exchanger Series Cleaning Set 77190019960

£59.22

ex. VAT £49.35 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 2000802600 Filling Loop Din

£79.20

ex. VAT £66.00 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 193590 Ignition Cable

£26.40

ex. VAT £22.00 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 0020141345 Siphon/Trap

£28.80

ex. VAT £24.00 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 8716117725 Heat Exchanger Cleaning Kit

£71.82

ex. VAT £59.85 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 193583 Support, Cpl (Pk2)

£9.78

ex. VAT £8.15 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020118196 Diverter Valve

£13.08

ex. VAT £10.90 Each

For delivery only

Vokera Vokera Vokera / Vokera 1789 Heating Valve

Product code: 52999

Vokera 1789 Heating Valve

£34.94

ex. VAT £29.12 Each

For delivery only

Honeywell Honeywell Honeywell / Honeywell Gas V4600C1086 Gas Valve 1/2"

£129.60

ex. VAT £108.00 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87483004840 Printed Circuit Board

£187.74

ex. VAT £156.45 Each

For delivery only

Vokera Vokera Vokera / Vokera 10027351 Thermistor

Product code: 44704

Vokera 10027351 Thermistor

£10.43

ex. VAT £8.69 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020097207 Flow Switch

£43.20

ex. VAT £36.00 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Commercial 175896 Kit Sump & Cover Replacement

£70.15

ex. VAT £58.46 Each

For delivery only