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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
Ideal Boilers Ideal Boilers / Ideal 179171 Control Box Front Kit

Product code: AD204

Ideal 179171 Control Box Front Kit

£165.99

ex. VAT £138.32 Each

Ideal Boilers Ideal Boilers / Ideal 172625 Fan Kit (Fime Fan Px130/0047 & 0081)

Product code: AD368

Ideal 172625 Fan Kit (Fime Fan Px130/0047 & 0081)

£196.49

ex. VAT £163.74 Each

Worcester Bosch Worcester Bosch / Worcester 87161082120 Heat Exchanger 20 Plate

Product code: AD334

Worcester 87161082120 Heat Exchanger 20 Plate

£175.49

ex. VAT £146.24 Each

Worcester Bosch Worcester Bosch / Worcester 87161049190 Diverter Valve Body

Product code: AD326

Worcester 87161049190 Diverter Valve Body

£118.99

ex. VAT £99.16 Each

Vokera Vokera / Vokera 20039202 Gas Valve Rep 10028538

Product code: AD369

Vokera 20039202 Gas Valve Rep 10028538

£223.49

ex. VAT £186.24 Each

Vaillant Vaillant / Vaillant 0020135123 Venturi

Product code: AD057

Vaillant 0020135123 Venturi

£192.99

ex. VAT £160.82 Each

Vaillant Vaillant / Vaillant 0020197029 Fan

Product code: AD102

Vaillant 0020197029 Fan

£1208.49

ex. VAT £1007.07 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

EOGB EOGB / Eogb M02-1-90-13 B11 90W Motor

Product code: AD028

Eogb M02-1-90-13 B11 90W Motor

£111.99

ex. VAT £93.32 Each

Vokera Vokera / Vokera 20044364 Safety Valve

Product code: 68085

Vokera 20044364 Safety Valve

£31.59

ex. VAT £26.32 Each

Saunier Duval Saunier Duval / Saunier Duval S1020600 Z Pipe

Product code: 25185

Saunier Duval S1020600 Z Pipe

£47.79

ex. VAT £39.82 Each

Ideal Boilers Ideal Boilers / Ideal 176550 Divertor Valve Body & Paddle

Product code: AD292

Ideal 176550 Divertor Valve Body & Paddle

£66.99

ex. VAT £55.82 1

Ideal Boilers Ideal Boilers / Ideal 176931 Hardware Box Kit

Product code: AD316

Ideal 176931 Hardware Box Kit

£248.49

ex. VAT £207.07 Each

Vaillant Vaillant / Vaillant 0020228304 Fan

Product code: AD080

Vaillant 0020228304 Fan

£156.99

ex. VAT £130.82 Each

Vokera Vokera / Vokera 20021496 3 Way Htng Manif & Cartridge

Product code: AD127

Vokera 20021496 3 Way Htng Manif & Cartridge

£105.99

ex. VAT £88.32 Each

Hamworthy Hamworthy / Hamworthy 563605642 Hsi And Box Assembly

Product code: AD060

Hamworthy 563605642 Hsi And Box Assembly

£134.49

ex. VAT £112.07 Each

Potterton Potterton / Potterton 7656807 3 Way Valve Cartridge

Product code: 96775

Potterton 7656807 3 Way Valve Cartridge

£66.99

ex. VAT £55.82 Each

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

Product code: 88604

Potterton 5111603 Kit Printed Circuit Board Suprima 30 100

£398.49

ex. VAT £332.07 Each

Riello Riello / Riello 20193432 Photodiode Analogue

Product code: AA506

Riello 20193432 Photodiode Analogue

£37.00

ex. VAT £30.83 1

AmbiRad AmbiRad / Ambirad 2501-De Id Fan 073580-02 (Square Plug)

Product code: AD073

Ambirad 2501-De Id Fan 073580-02 (Square Plug)

£460.99

ex. VAT £384.16 Each

Worcester Bosch Worcester Bosch / Worcester 8716119385 Printed Circuit Board And Back Panel

Product code: 31890

Worcester 8716119385 Printed Circuit Board And Back Panel

£108.99

ex. VAT £90.82 Each

Worcester Bosch Worcester Bosch / Worcester 8736500000 Controller

Product code: AD403

Worcester 8736500000 Controller

£633.99

ex. VAT £528.32 Each

Ideal Boilers Ideal Boilers / Ideal 177530 Plate Heat Exchanger Kit

Product code: AD411

Ideal 177530 Plate Heat Exchanger Kit

£185.99

ex. VAT £154.99 Each

Tesla Tesla / Super Universal Thermocouple 900mm

Product code: AG247

Super Universal Thermocouple 900mm

£8.25

ex. VAT £6.87 Each

Worcester Bosch Worcester Bosch / Worcester 8716119294 Expansion Vessel

Product code: AD394

Worcester 8716119294 Expansion Vessel

£154.99

ex. VAT £129.16 Each

Baxi Baxi / Baxi 7686344 Ignition Electrode

Product code: AD186

Baxi 7686344 Ignition Electrode

£78.00

ex. VAT £65.00 Each

Vaillant Vaillant / Vaillant 0020140423 Printed Circuit Board

Product code: AD045

Vaillant 0020140423 Printed Circuit Board

£351.99

ex. VAT £293.32 Each

Baxi Baxi / Baxi 248731 Pcb Performa 28Kw

Product code: AD236

Baxi 248731 Pcb Performa 28Kw

£197.99

ex. VAT £164.99 Each

Worcester Bosch Worcester Bosch / Worcester 8716120415 Pump Assembly Upmo 7M Cacao

Product code: AD527

Worcester 8716120415 Pump Assembly Upmo 7M Cacao

£302.99

ex. VAT £252.49 Each

Remeha Remeha / Remeha S62733 Gauge Pressure C/W Capilliary

Product code: 38685

Remeha S62733 Gauge Pressure C/W Capilliary

£41.69

ex. VAT £34.74 Each

Worcester Bosch Worcester Bosch / Worcester 87170100620 3-Way Valve

Product code: AD315

Worcester 87170100620 3-Way Valve

£174.00

ex. VAT £145.00 Each

Alpha Alpha / Alpha Boilers 3.012752 Diverter Valve (CB24/28)

Product code: 13424

Alpha Boilers 3.012752 Diverter Valve (CB24/28)

£127.49

ex. VAT £106.24 Each

Vaillant Vaillant / Vaillant 065131 Secondary Heat Exchanger, 12 Plates

Product code: AC973

Vaillant 065131 Secondary Heat Exchanger, 12 Plates

£154.99

ex. VAT £129.16 Each

Heatrae Sadia Heatrae Sadia / Heatrae 95612719 Control Assembly Stat/Wire Ind.

Product code: AD081

Heatrae 95612719 Control Assembly Stat/Wire Ind.

£67.99

ex. VAT £56.66 Each

Vokera Vokera / Vokera 20007052 Pcb

Product code: AD159

Vokera 20007052 Pcb

£502.99

ex. VAT £419.16 Each

Ideal Boilers Ideal Boilers / Ideal 176863 Divertor Valve Cartridge

Product code: AD344

Ideal 176863 Divertor Valve Cartridge

£110.99

ex. VAT £92.49 Each

Ideal Boilers Ideal Boilers / Ideal 176063 Heat Engine Kit H/O

Product code: AD360

Ideal 176063 Heat Engine Kit H/O

£711.99

ex. VAT £593.32 Each

Alpha Alpha / Alpha 3.025192 Electrode Kit Immergas Part Number Revision

Product code: AD193

Alpha 3.025192 Electrode Kit Immergas Part Number Revision

£81.99

ex. VAT £68.32 Each

Vaillant Vaillant / Vaillant 0020128697 Wiring Harness

Product code: AD214

Vaillant 0020128697 Wiring Harness

£50.49

ex. VAT £42.07 Each

Vaillant Vaillant / Vaillant 509119 Connection Piece,Cpl.

Product code: AC963

Vaillant 509119 Connection Piece,Cpl.

£122.49

ex. VAT £102.07 Each

Vaillant Vaillant / Vaillant 0020132764 Printed Circuit Board

Product code: 60365

Vaillant 0020132764 Printed Circuit Board

£308.99

ex. VAT £257.49 Each

Vokera Vokera / Vokera 10023568 Supply Inlet Valve

Product code: 69660

Vokera 10023568 Supply Inlet Valve

£33.69

ex. VAT £28.07 Each

Ideal Boilers Ideal Boilers / Ideal 176458 Divertor Valve Motor Kit

Product code: AD384

Ideal 176458 Divertor Valve Motor Kit

£73.49

ex. VAT £61.24 1

Baxi Baxi / Baxi 248224 Tap Isolation Flow

Product code: 24975

Baxi 248224 Tap Isolation Flow

£47.99

ex. VAT £39.99 Each

Vokera Vokera / Vokera 10023566 Heating Flow Cock

Product code: 27657

Vokera 10023566 Heating Flow Cock

£44.09

ex. VAT £36.74 Each

Vaillant Vaillant / Vaillant 0020110998 Gas Valve

Product code: AD389

Vaillant 0020110998 Gas Valve

£259.99

ex. VAT £216.66 Each

Valor Valor / Valor 5130293 Ignition/Ionisation

Product code: AD420

Valor 5130293 Ignition/Ionisation

£52.99

ex. VAT £44.16 Each

Vaillant Vaillant / Vaillant 0020046863 Gas Pipe

Product code: AD112

Vaillant 0020046863 Gas Pipe

£76.99

ex. VAT £64.16 Each