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.
Danfoss Danfoss Danfoss / Danfoss D01-030H6308 Nozzle 00.50 X 60 EH

£9.35

ex. VAT £7.79 Each

For delivery only

Baxi Baxi Baxi / Baxi 244758 Kit Flue Elbow Sealing Ring

£27.60

ex. VAT £23.00 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 173799 Printed Circuit Board 25E

£142.87

ex. VAT £119.06 Each

For delivery only

Ferroli Ferroli Ferroli / Ferroli 30810710 Washer - 3/4" Cf4324 (K42)

£2.39

ex. VAT £1.99 Each

For delivery only

Danfoss Danfoss Danfoss / Danfoss D01-030H8320 Nozzle 01.00 X 80 EH

£9.95

ex. VAT £8.29 Each

For delivery only

Baxi Baxi Baxi / Baxi 248069 Washer Sensor Sealing

£4.43

ex. VAT £3.69 Each

For delivery only

Vokera Vokera Vokera / Vokera 10027192 Siphon

Product code: 21248

Vokera 10027192 Siphon

£9.83

ex. VAT £8.19 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 0020010291 Complete Service Cock

£53.98

ex. VAT £44.98 Each

For delivery only

Baxi Baxi Baxi / Baxi 5113314 O Ring

Product code: 19329

Baxi 5113314 O Ring

£4.28

ex. VAT £3.57 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161064420 Return Manifold Sub-Assembly

£175.31

ex. VAT £146.09 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161143890 Flue Sampling Tube Kit

£2.51

ex. VAT £2.09 Each

For delivery only

Baxi Baxi Baxi / Baxi 7216534 Spares Kit Motor

£51.60

ex. VAT £43.00 Each

For delivery only

Alpha Alpha Alpha / Alpha Boilers 3.013211 Direct Heat Flow Switch (CB24/28/CD24C)

£45.60

ex. VAT £38.00 Each

For delivery only

Danfoss Danfoss Danfoss / Danfoss D01-030H8318 Nozzle 00.85 X 80 EH

£9.95

ex. VAT £8.29 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 0020010294 Complete Valve

£25.20

ex. VAT £21.00 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 981227 Packing Ring

Product code: 94111

Vaillant 981227 Packing Ring

£7.88

ex. VAT £6.57 Each

For delivery only

Baxi Baxi Baxi / Baxi 237259 Seal Flue

Product code: 55494

Baxi 237259 Seal Flue

£8.39

ex. VAT £6.99 Each

For delivery only

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

£120.00

ex. VAT £100.00 Each

For delivery only

Baxi Baxi Baxi / Baxi 7224764 Three Way Valve W/Out Bypass

£138.98

ex. VAT £115.82 Each

For delivery only

Danfoss Danfoss Danfoss / Danfoss D01-030F6312 Nozzle 00.60 X 60 ES

£9.95

ex. VAT £8.29 Each

For delivery only

Baxi Baxi Baxi / Baxi 242459 Flow Switch

Product code: 42387

Baxi 242459 Flow Switch

£66.00

ex. VAT £55.00 Each

For delivery only

Vokera Vokera Vokera / Vokera 20081926 NTC/Thermistor

£20.71

ex. VAT £17.26 Each

For delivery only

Potterton Potterton Potterton / Potterton 5111603 Kit Printed Circuit Board Suprima 30 100

£379.20

ex. VAT £316.00 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 176432 Control Thermistor

£16.18

ex. VAT £13.48 Each

For delivery only