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Created by Gas Engineers, for Gas Engineers • We only sell Genuine Boiler Spares • HSP - Where The Trade Buy

Heating spares official boiler parts stockist

Check out our great offers on gas & oil spares from leading manufacturers.

HSP are domestic and commercial parts suppliers delivering genuine heating spares. We guarantee that boiler spares on our website are 100% original. We offer 24-hour delivery on first-line spares.

Locate your appliance from the search boxes above to identify your parts

Boiler spares approved stockist - HSP is one of UKs the largest independent plumbers merchants we only sell 100% genuine OEM parts.
Original heating components last longer & safety matters! Fully legal - Compliant with European & UK standards & legislation.
Non-genuine parts are typically inferior & sub-standard.
99% of 1st line heating spares in stock including oil boiler spares & accessories.
Over 7000 qualified heating engineers are regular HSP customers.

Boiler diagrams & schematics

If you require assistance in the identification of specific boiler spares, then it would be worth looking at our exploded boiler diagrams. We have a vast range of appliance schematics and using our zoom function & keymap you can identify part numbers quickly and easily. You never need to order the wrong spares again. View Diagrams

Boiler Diagrams & Schematics

HSP Vaillant information partner

At HSP we make ordering boiler spares easy

HSP boiler information library - visit any time & it's free. Easy boiler parts identification - no purchase necessary.
Parts finder lets you find the correct parts for your appliance first time.
Boiler schematics make identifying spares easy.
Search our database for spare parts numbers, gas codes, GC numbers & oil serial numbers.
We offer user manuals, appliance service instructions & boiler workshop manuals. Can't find your appliance manual or diagram? Let us know.
Looking for spares for older boilers that are obsolete? We often stock them or could source them from the heating federation if they are still available.
HSP stock heating spare parts approved & tested by manufacturers for quality & reliability.
Commercial & industrial boiler spares at trade prices.