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.
Saunier Duval Saunier Duval Saunier Duval / Saunier Duval 0020047005 Pressure Relief Valve (3 Bar)

£12.35

ex. VAT £10.29 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Commercial 176473 Flow Sensor And Turbine Kit

£56.13

ex. VAT £46.77 Each

For delivery only

Baxi Baxi Baxi / Baxi 5118397 Spares Kit Control Knob

£18.71

ex. VAT £15.59 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 174244 Kit - Trap & Seal

£33.16

ex. VAT £27.63 Each

For delivery only

Ariston Ariston Ariston / Ariston 65100541 3-Way Spring Kit Dhw

£45.60

ex. VAT £38.00 Each

For delivery only

Remeha Remeha Remeha / Remeha S62749 Syphon Assembly

£49.20

ex. VAT £41.00 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020118190 Pressure Relief Valve

£9.53

ex. VAT £7.94 Each

For delivery only

Baxi Baxi Baxi / Baxi 248225 Tap Isolation Return

£55.20

ex. VAT £46.00 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161105340 Gasket Burner Wb6

£10.70

ex. VAT £8.92 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87172081070 Pressure Gauge - Copper Pipe

£27.72

ex. VAT £23.10 Each

For delivery only

Glowworm Glowworm Glowworm / Glowworm 0020013711 Condense Syphon Kit

£37.20

ex. VAT £31.00 Each

For delivery only

Honeywell Honeywell Honeywell / Honeywell Gas Q309A2788 Thermocouple 36"

£13.67

ex. VAT £11.39 Each

For delivery only

Baxi Baxi Baxi / Baxi 5132454 Inlet Assembly 12L

£128.40

ex. VAT £107.00 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87105062670 Temperature Limiter Assembly

£51.60

ex. VAT £43.00 Each

For delivery only

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

£16.55

ex. VAT £13.79 Each

For delivery only

Biasi Biasi Biasi / Biasi Bi1001108 Flat Gasket 3/4

£2.39

ex. VAT £1.99 Each

For delivery only

Vokera Vokera Vokera / Vokera 5026 1/2" Fibre Washer

£2.47

ex. VAT £2.06 Each

For delivery only

Worcester Bosch Worcester Bosch Worcester Bosch / Worcester 87161066630 Mechanical Timer MT10

£98.68

ex. VAT £82.23 Each

For delivery only

Ideal Boilers Ideal Boilers Ideal Boilers / Ideal Domestic 175583 Siphon Trap Kit

£30.61

ex. VAT £25.51 Each

For delivery only

Baxi Baxi Baxi / Baxi 720878202 Printed Circuit Board - Combi/System

£235.20

ex. VAT £196.00 Each

For delivery only

Baxi Baxi Baxi / Baxi 5118972 Spares Kit Condensate Plug Assembly

£14.51

ex. VAT £12.09 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 0020068958 Connection Tube

£57.24

ex. VAT £47.70 Each

For delivery only

Vaillant Vaillant Vaillant / Vaillant 180932 Flue Adapter 60/100

£10.91

ex. VAT £9.09 Each

For delivery only

Thermocouple Thermocouple Thermocouple / Thermocouple 7000/El/900Mm Universal 900Mm (36")

£4.43

ex. VAT £3.69 Each

For delivery only