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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...

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.
Related Categories
Baxi Baxi / Baxi 236921 Kit - Flue Terminal Condensing

Product code: AD150

Baxi 236921 Kit - Flue Terminal Condensing

£140.99

ex. VAT £117.49 Each

Glowworm Glowworm / Glowworm 0020020718 Flue Duct Front Assembly

Product code: 72523

Glowworm 0020020718 Flue Duct Front Assembly

£47.99

ex. VAT £39.99 Each

Ariston Ariston / Ariston 60000629 Return Group

Product code: AD200

Ariston 60000629 Return Group

£92.49

ex. VAT £77.07 Each

Vaillant Vaillant / Vaillant 0020010295 15Mm Non Return Valve

Product code: 43222

Vaillant 0020010295 15Mm Non Return Valve

£47.99

ex. VAT £39.99 Each

Vaillant Vaillant / Vaillant 0020143440 Electrode, Maintenance Kit

Product code: AC937

Vaillant 0020143440 Electrode, Maintenance Kit

£106.99

ex. VAT £89.16 Each

Vaillant Vaillant / Vaillant 252457 Diverter Valve

Product code: 66438

Vaillant 252457 Diverter Valve

£165.99

ex. VAT £138.32 Each

Andrews Water Heaters Andrews Water Heaters / Andrews E661 Controller - Cwh

Product code: AC990

Andrews E661 Controller - Cwh

£878.49

ex. VAT £732.07 Each

Vokera Vokera / Vokera 20194913 Pump Erp

Product code: AD534

Vokera 20194913 Pump Erp

£490.99

ex. VAT £409.16 Each

Vaillant Vaillant / Vaillant 8000011227 Pump Hight Efficiency

Product code: AA482

Vaillant 8000011227 Pump Hight Efficiency

£328.99

ex. VAT £274.16 1

Ideal Boilers Ideal Boilers / Ideal 176001 Expansion Vessel Kit

Product code: AD363

Ideal 176001 Expansion Vessel Kit

£130.99

ex. VAT £109.16 Each

Baxi Baxi / Baxi 7661749 Expansion Vessel - 7L

Product code: AD247

Baxi 7661749 Expansion Vessel - 7L

£111.99

ex. VAT £93.32 Each

Worcester Bosch Worcester Bosch / Worcester 8718600269 Heat Exchanger

Product code: AD407

Worcester 8718600269 Heat Exchanger

£1424.49

ex. VAT £1187.07 Each

Glowworm Glowworm / Glowworm 0020097328 Expansion Vessel 8L

Product code: 61401

Glowworm 0020097328 Expansion Vessel 8L

£151.99

ex. VAT £126.66 Each

Glowworm Glowworm / Glowworm S900817 Pcb Alternative Kfb See Rems Single Fuse

Product code: AC946

Glowworm S900817 Pcb Alternative Kfb See Rems Single Fuse

£195.99

ex. VAT £163.32 Each

Ideal Boilers Ideal Boilers / Ideal 177661 Primary Pcb I6 / 2 - After Serial Number Abr

Product code: AD317

Ideal 177661 Primary Pcb I6 / 2 - After Serial Number Abr

£351.49

ex. VAT £292.91 Each

Baxi Baxi / Baxi 7772687 Gas Valve Kit

Product code: AA490

Baxi 7772687 Gas Valve Kit

£84.99

ex. VAT £70.82 1

Andrews Water Heaters Andrews Water Heaters / Andrews E669 Control Pcb Auto

Product code: AC995

Andrews E669 Control Pcb Auto

£635.99

ex. VAT £529.99 Each

Glow-Worm Glow-Worm / Glowworm 2000802664 Gas Section

Product code: AD145

Glowworm 2000802664 Gas Section

£292.00

ex. VAT £243.33 Each

Worcester Bosch Worcester Bosch / Worcester 8716117400 Pump Assembly

Product code: AD531

Worcester 8716117400 Pump Assembly

£363.99

ex. VAT £303.32 Each

Ideal Boilers Ideal Boilers / Ideal 170913 Gas Valve Kit Icos/Classic M

Product code: AD276

Ideal 170913 Gas Valve Kit Icos/Classic M

£204.49

ex. VAT £170.41 Each

Potterton Potterton / Potterton 402550 Cvi Gas Valve

Product code: AD302

Potterton 402550 Cvi Gas Valve

£132.99

ex. VAT £110.82 Each

Baxi Baxi / Baxi 7686321 Kit Connections Pack - Combi

Product code: AD167

Baxi 7686321 Kit Connections Pack - Combi

£141.99

ex. VAT £118.32 Each

Ideal Boilers Ideal Boilers / Ideal Commercial 177540 Expansion Vessel Kit - Abk Onwards

Product code: 16568

Ideal Commercial 177540 Expansion Vessel Kit - Abk Onwards

£145.49

ex. VAT £121.24 Each

Worcester Bosch Worcester Bosch / Worcester 87229638580 Temperature Limit Sensor

Product code: 99332

Worcester 87229638580 Temperature Limit Sensor

£39.79

ex. VAT £33.16 Each

Baxi Baxi / Baxi 7784288 Combustion Ctrl Unit 15/16 Ht

Product code: AD111

Baxi 7784288 Combustion Ctrl Unit 15/16 Ht

£352.99

ex. VAT £294.16 Each

Vaillant Vaillant / Vaillant 190235 Fan, Cpl.

Product code: AC968

Vaillant 190235 Fan, Cpl.

£294.99

ex. VAT £245.82 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 175668 Diverter Valve Cartridge

Product code: 80602

Ideal Domestic 175668 Diverter Valve Cartridge

£115.49

ex. VAT £96.24 Each

Worcester Bosch Worcester Bosch / Worcester 87180069070 Firestop Plate C/W Screws

Product code: 14151

Worcester 87180069070 Firestop Plate C/W Screws

£28.99

ex. VAT £24.16 Each

Ideal Boilers Ideal Boilers / Ideal 175662 Flow Turbine Cart He35 Fugas Pn 10394

Product code: AD320

Ideal 175662 Flow Turbine Cart He35 Fugas Pn 10394

£72.49

ex. VAT £60.41 Each

Main Main / Main 5110959 Water Valve - Multipoint Bf

Product code: AD333

Main 5110959 Water Valve - Multipoint Bf

£501.99

ex. VAT £418.32 Each

Alpha Alpha / Alpha 1.023673 Gas Valve - Dungs

Product code: AD266

Alpha 1.023673 Gas Valve - Dungs

£163.49

ex. VAT £136.24 Each

Danfoss Danfoss / Danfoss Burner Controls C05043J EBI Service Kit

Product code: 24313

Danfoss Burner Controls C05043J EBI Service Kit

£40.99

ex. VAT £34.16 Each

Vokera Vokera / Vokera 20205196 Main PCB

Product code: AA501

Vokera 20205196 Main PCB

£152.99

ex. VAT £127.49 1

Worcester Bosch Worcester Bosch / Worcester 871860492A0 Heat Exchanger Assembly

Product code: AD325

Worcester 871860492A0 Heat Exchanger Assembly

£693.99

ex. VAT £578.32 Each

Glowworm Glowworm / Glowworm 0020097214 3 Way Valve

Product code: 53534

Glowworm 0020097214 3 Way Valve

£71.49

ex. VAT £59.57 Each

Worcester Bosch Worcester Bosch / Worcester 8748300921 Circuit Board

Product code: 40351

Worcester 8748300921 Circuit Board

£128.49

ex. VAT £107.07 Each

Potterton Potterton / Potterton 5116017 Hydraulic Inlet Assembly 10L/Min

Product code: AD023

Potterton 5116017 Hydraulic Inlet Assembly 10L/Min

£172.99

ex. VAT £144.16 Each

Glowworm Glowworm / Glowworm 0020079644 Central Heating Pressure Sensor (Was 0020014190)

Product code: 76611

Glowworm 0020079644 Central Heating Pressure Sensor (Was 0020014190)

£34.09

ex. VAT £28.41 Each

Vaillant Vaillant / Vaillant 0020211453 Pump

Product code: AD121

Vaillant 0020211453 Pump

£634.99

ex. VAT £529.16 Each

Vaillant Vaillant / Vaillant 0020240266 Gas Control Valve

Product code: AD406

Vaillant 0020240266 Gas Control Valve

£137.99

ex. VAT £114.99 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 175571 Burner Kit

Product code: 17525

Ideal Domestic 175571 Burner Kit

£157.99

ex. VAT £131.66 Each

Worcester Bosch Worcester Bosch / Worcester 87161201310 Diverter Valve Assembly V4044F1109

Product code: AD287

Worcester 87161201310 Diverter Valve Assembly V4044F1109

£206.49

ex. VAT £172.07 Each

Tesla Tesla / Tesla VFLOW PRV Blow Off Cap 22mm

Product code: AG245

Tesla VFLOW PRV Blow Off Cap 22mm

£9.15

ex. VAT £7.62 Each

Worcester Bosch Worcester Bosch / Worcester 8716122007 Gas Valve Sit

Product code: AD412

Worcester 8716122007 Gas Valve Sit

£151.99

ex. VAT £126.66 Each

Worcester Bosch Worcester Bosch / Worcester 87172044100 Fan

Product code: AD273

Worcester 87172044100 Fan

£268.99

ex. VAT £224.16 Each

Vokera Vokera / Vokera 1789 Heating Valve

Product code: 52999

Vokera 1789 Heating Valve

£37.19

ex. VAT £30.99 Each

Vaillant Vaillant / Vaillant 0010030632 Pump High Efficiency

Product code: AA481

Vaillant 0010030632 Pump High Efficiency

£288.99

ex. VAT £240.82 1

Baxi Baxi / Baxi 7678800 Service Pcb Combi System L4

Product code: AD195

Baxi 7678800 Service Pcb Combi System L4

£180.99

ex. VAT £150.82 Each