Boiler Spares

Boiler Spares

Shop our extensive array of boiler parts, suitable for both commercial and domestic boilers, which is ideal for any installation or repair. All of our boiler spares are expertly sourced with the trade installer in mind and we hope that our wide variety of high quality products gives you the best choice possible.

Our selection features reliable, well-known brands such as Baxi, Honeywell, Vaillant and Worcester Bosch, so you can trust that you’re buying a top quality product that will last.

Whether you’re looking for a pressure relief valve, a control thermostat, a gas valve kit or even an insulated ring connector, we’ve got you covered. We’re confident that you’ll be able to find everything that you need within our huge collection of boiler parts and because we know that tradesman often take on a variety of jobs which require different parts, our spares are all competitively priced.

Be sure to browse our full collection of boiler spares for commercial and domestic jobs and take advantage of our great trade prices by shopping online at Discounted Heating.

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Center 727042 PC Thermocouple (Drugasar G3 Type) Pre-Order

Center 727042 PC Thermocouple (Drugasar G3 Type)

Center 727042 PC thermocouple Drugasar G3 Type..

£11.94 inc Vat Ex VAT: £9.95

Monarch MFH006 Maxflow Hoses For Combi Boilers -19%

Monarch MFH006 Maxflow Hoses For Combi Boilers

Pair of hoses for where maximum flow is required. Product FeaturesNo flow reductionFlexible bra..

£29.99 inc Vat £24.18 inc Vat Ex VAT: £20.15

Siemens STP63 Actuator 24v With Cable 1m Pre-Order

Siemens STP63 Actuator 24v With Cable 1m

Siemens STP63 Actuator 24v With Cable 1m...

£39.99 inc Vat Ex VAT: £33.33

Worcester Bosch 7733600025 GB162 401-520  Plate Heat Exchanger Pre-Order

Worcester Bosch 7733600025 GB162 401-520 Plate Heat Exchanger

The GB plate heat exchanger ensures boiler water and system water never meet. The heat exchanger pro..

£4,100.00 inc Vat Ex VAT: £3,416.67

Worcester Bosch 87161045910 Charging Key Assembly

The Worcester Bosch 87161045910 Charging Key Assembly manufactured by: Worcester BoschThis spare par..

£4.00 inc Vat Ex VAT: £3.33

Biasi Bi1305101 Pcb

The Biasi Bi1305101 Pcb manufactured by: BiasiThis spare part is designed to fit (you must check wit..

£88.31 inc Vat Ex VAT: £73.59

Biasi Bi1805101 Pcb

The Biasi Bi1805101 Pcb manufactured by: BiasiThis spare part is designed to fit (you must check wit..

£194.83 inc Vat Ex VAT: £162.36

Buderus 78105 Glow Ignitor

The Buderus 78105 Glow Ignitor manufactured by: BuderusThis spare part is designed to fit (you must ..

£49.45 inc Vat Ex VAT: £41.21

Honeywell L4064B2236 Fan & Limit Control Out Of Stock

Honeywell L4064B2236 Fan & Limit Control

Product Description This is a genuine replacement part. The model number and name for the follow..

£41.46 inc Vat Ex VAT: £34.55

Trianco 206896 Control Thermostat K36P1330

Trianco 206896 Control Thermostat K36P1330 ..

£28.49 inc Vat Ex VAT: £23.74

Worcester Bosch 7716192746 CondenseSure Condensate Siphon

An innovative solution to prevent freezing condensate. Worcester Bosch have developed a new Condens..

£31.98 inc Vat Ex VAT: £26.65

Hamworthy 333801325 Electrode -5%

Hamworthy 333801325 Electrode

The Hamworthy 333801325 Electrode manufactured by: HamworthyThis spare part is designed to fit (you ..

£54.56 inc Vat £51.84 inc Vat Ex VAT: £43.20

Ideal 170958 Kit-Blue Manifold Pipework

The Ideal 170958 Kit-Blue Manifold Pipework manufactured by: IdealThis spare part is designed to fit..

£22.07 inc Vat Ex VAT: £18.39

Ideal 171022 Turret Gasket Kit M Series

The Ideal 171022 Turret Gasket Kit M Series manufactured by: IdealThis spare part is designed to fit..

£12.62 inc Vat Ex VAT: £10.52

Sime 6245001 Ball Cock Out Of Stock

Sime 6245001 Ball Cock

The Sime 6245001 Ball Cock manufactured by: SimeThis spare part is designed to fit (you must check w..

£18.65 inc Vat Ex VAT: £15.54