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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 175618 Heat Engine Gasket Kit

Product code: AD274

Ideal 175618 Heat Engine Gasket Kit

£82.99

ex. VAT £69.16 Each

Viessmann Viessmann / Viessmann 7841748 Pcb

Product code: AD194

Viessmann 7841748 Pcb

£354.00

ex. VAT £295.00 Each

Heatrae Sadia Heatrae Sadia / Heatrae 95602030 1 3/4 3Kw Element

Product code: AD137

Heatrae 95602030 1 3/4 3Kw Element

£174.99

ex. VAT £145.82 Each

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

Product code: 98908

Ideal Commercial 176473 Flow Sensor And Turbine Kit

£60.49

ex. VAT £50.41 Each

Worcester Bosch Worcester Bosch / Worcester 87161066850 Heat Exchanger 14 Plate

Product code: 30056

Worcester 87161066850 Heat Exchanger 14 Plate

£180.49

ex. VAT £150.41 Each

Worcester Bosch Worcester Bosch / Worcester 87186429480 Heat Exchanger Plate C-Phe 18 Plates

Product code: AD282

Worcester 87186429480 Heat Exchanger Plate C-Phe 18 Plates

£118.99

ex. VAT £99.16 Each

Glow-Worm Glow-Worm / Glowworm 0020097400 Printed Circuit

Product code: AD138

Glowworm 0020097400 Printed Circuit

£230.99

ex. VAT £192.49 Each

EOGB EOGB / EOGB Ltd F08-0890-A-14F-S Flexible 890mm Biogreen MEC

Product code: 39093

EOGB Ltd F08-0890-A-14F-S Flexible 890mm Biogreen MEC

£15.79

ex. VAT £13.16 Each

Vaillant Vaillant / Vaillant 0020020015 Three Way Valve

Product code: 73964

Vaillant 0020020015 Three Way Valve

£101.99

ex. VAT £84.99 Each

Ideal Boilers Ideal Boilers / Ideal 173533 User Control Kit - Isar He

Product code: AD306

Ideal 173533 User Control Kit - Isar He

£154.99

ex. VAT £129.16 Each

Ideal Boilers Ideal Boilers / Ideal Domestic 179032 24 Volt Gas Valve Kit

Product code: 48860

Ideal Domestic 179032 24 Volt Gas Valve Kit

£98.99

ex. VAT £82.49 Each

Vaillant Vaillant / Vaillant 194819 Complete Aqua-Sensor

Product code: 94730

Vaillant 194819 Complete Aqua-Sensor

£101.49

ex. VAT £84.57 Each

Worcester Bosch Worcester Bosch / Worcester 87161068450 Diverter Valve Assembly

Product code: 89665

Worcester 87161068450 Diverter Valve Assembly

£123.49

ex. VAT £102.91 Each

Worcester Bosch Worcester Bosch / Worcester 87170021100 Water Valve

Product code: AD427

Worcester 87170021100 Water Valve

£156.99

ex. VAT £130.82 Each

Vaillant Vaillant / Vaillant 0020132683 Diverter Valve, Brass

Product code: 77470

Vaillant 0020132683 Diverter Valve, Brass

£166.99

ex. VAT £139.16 Each

Andrews Water Heaters Andrews Water Heaters / Andrews C511Awh Multifunction Gas Valve-Ng Pp

Product code: AC992

Andrews C511Awh Multifunction Gas Valve-Ng Pp

£687.99

ex. VAT £573.32 Each

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

Product code: 44118

Worcester 87172081070 Pressure Gauge - Copper Pipe

£30.99

ex. VAT £25.82 Each

Grant Grant / Grant Mpcbs54E Temperature Control Pcb C/W Sensor (After Sept 08)

Product code: AD108

Grant Mpcbs54E Temperature Control Pcb C/W Sensor (After Sept 08)

£118.99

ex. VAT £99.16 Each

Worcester Bosch Worcester Bosch / Worcester 8716117325 Fan Pebm D130 Ac230 50 056W Pwm Hb M Ub

Product code: AD404

Worcester 8716117325 Fan Pebm D130 Ac230 50 056W Pwm Hb M Ub

£216.99

ex. VAT £180.82 Each

Viessmann Viessmann / Viessmann 7871988 Service Kit Vitodens 100-W/111-W

Product code: AD072

Viessmann 7871988 Service Kit Vitodens 100-W/111-W

£76.99

ex. VAT £64.16 Each

Baxi Baxi / Baxi 720222801 Electrode Ignition

Product code: 45059

Baxi 720222801 Electrode Ignition

£36.99

ex. VAT £30.82 Each

Baxi Baxi / Baxi 244758 Kit Flue Elbow Sealing Ring

Product code: 55726

Baxi 244758 Kit Flue Elbow Sealing Ring

£37.99

ex. VAT £31.66 Each

Baxi Baxi / Baxi 5114766 Ignitor

Product code: 16028

Baxi 5114766 Ignitor

£26.99

ex. VAT £22.49 Each

Worcester Bosch Worcester Bosch / Worcester 8748300939 Printed Circuit Board

Product code: AD402

Worcester 8748300939 Printed Circuit Board

£88.99

ex. VAT £74.16 Each

Saunier Duval Saunier Duval / Saun 0020195510 Fan, With Combustion Chamber Cover

Product code: AD053

Saun 0020195510 Fan, With Combustion Chamber Cover

£437.99

ex. VAT £364.99 Each

Ideal Boilers Ideal Boilers / Ideal 181974 Pcb Km821 I3 Kit 2021

Product code: AC975

Ideal 181974 Pcb Km821 I3 Kit 2021

£217.99

ex. VAT £181.66 Each

Grant Grant / Grant Mpcbs20/A Divertor Valve

Product code: AD263

Grant Mpcbs20/A Divertor Valve

£216.00

ex. VAT £180.00 Each

Riello Riello / Riello 3013073 Control Box Rmg

Product code: AD074

Riello 3013073 Control Box Rmg

£199.49

ex. VAT £166.24 Each

Ariston Ariston / Ariston 65100541 3-Way Spring Kit Dhw

Product code: 11906

Ariston 65100541 3-Way Spring Kit Dhw

£64.99

ex. VAT £54.16 Each

Vaillant Vaillant / Vaillant 0020209505 Sensor

Product code: AD257

Vaillant 0020209505 Sensor

£147.99

ex. VAT £123.32 Each

Heatrae Sadia Heatrae Sadia / Heatrae 95605894 Inlet Control Kit

Product code: AD099

Heatrae 95605894 Inlet Control Kit

£214.99

ex. VAT £179.16 Each

Viessmann Viessmann / Viessmann 7869893 Main Pcb Vbc115-A10.008

Product code: AD039

Viessmann 7869893 Main Pcb Vbc115-A10.008

£151.49

ex. VAT £126.24 Each

Vaillant Vaillant / Vaillant 181051 Expansion Vessel

Product code: 17927

Vaillant 181051 Expansion Vessel

£136.99

ex. VAT £114.16 Each

Viessmann Viessmann / Viessmann 7841770 Heat Exchanger

Product code: AC948

Viessmann 7841770 Heat Exchanger

£98.49

ex. VAT £82.07 Each

Viessmann Viessmann / Viessmann 7857233 Control Unit Wb1B Ho

Product code: AD199

Viessmann 7857233 Control Unit Wb1B Ho

£366.00

ex. VAT £305.00 Each

Worcester Bosch Worcester Bosch / Worcester 87161068330 Flexible Hose

Product code: 45858

Worcester 87161068330 Flexible Hose

£31.99

ex. VAT £26.66 Each

Potterton Potterton / Potterton 909000 Fan Assembly Kit Prima 30E 60

Product code: AD218

Potterton 909000 Fan Assembly Kit Prima 30E 60

£241.49

ex. VAT £201.24 Each

Tesla Tesla / Tesla VFLOW PRV Blow Off Cap 15mm

Product code: AG244

Tesla VFLOW PRV Blow Off Cap 15mm

£6.59

ex. VAT £5.49 Each

Baxi Baxi / Baxi 7688421 Kit Pcb Combi/ System

Product code: AD116

Baxi 7688421 Kit Pcb Combi/ System

£173.99

ex. VAT £144.99 Each

Viessmann Viessmann / Viessmann 7841779 Plate Heat Exchanger 18 Plates

Product code: AD250

Viessmann 7841779 Plate Heat Exchanger 18 Plates

£155.99

ex. VAT £129.99 Each

Saunier Duval Saunier Duval / Saunier Duval S5739800 Temperature Sensor

Product code: 28061

Saunier Duval S5739800 Temperature Sensor

£32.99

ex. VAT £27.49 Each

Worcester Bosch Worcester Bosch / Worcester 8748300912 Circuit Board

Product code: 19458

Worcester 8748300912 Circuit Board

£137.99

ex. VAT £114.99 Each

Baxi Baxi / Baxi 7222704 Relay Pcb

Product code: AD062

Baxi 7222704 Relay Pcb

£85.99

ex. VAT £71.66 Each

Heatrae Sadia Heatrae Sadia / Heatrae 95606952 Element Assembly Cutout

Product code: AD002

Heatrae 95606952 Element Assembly Cutout

£101.99

ex. VAT £84.99 Each

Worcester Bosch Worcester Bosch / Worcester 8716117070 Control Unit Cu-Dna1.0 Skin Low Uk

Product code: AD279

Worcester 8716117070 Control Unit Cu-Dna1.0 Skin Low Uk

£269.99

ex. VAT £224.99 Each

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

Product code: 14227

Honeywell Gas V4600C1086 Gas Valve 1/2"

£138.99

ex. VAT £115.82 Each

Viessmann Viessmann / Viessmann 7828746 Plate Heat Exchanger, 20 Plates Dhw

Product code: AD169

Viessmann 7828746 Plate Heat Exchanger, 20 Plates Dhw

£175.49

ex. VAT £146.24 Each

Worcester Bosch Worcester Bosch / Worcester 8716117079 Printed Circuit Board With Back Panel

Product code: AD354

Worcester 8716117079 Printed Circuit Board With Back Panel

£77.99

ex. VAT £64.99 Each