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

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ATAG parts stockist - Heating spares at trade prices. 

ATAG boiler spare parts expert advice on ATAG boilers call 0333-006-3675

We offer big savings on boiler spare parts and 24 hour delivery across the UK on first line spares. HSP is the market leader in genuine ATAG boiler spares. HSP offers fantastic customer service and all the advice you will ever need. HSP only stock 100% genuine ATAG boiler parts tested and approved by ATAG.

heating spare parts Atag premier stockistQuickly locate your boiler in our search form above, and order replacement parts using our secure online payment facility.

  • We only sell 100% genuine ATAG spares - Last longer & safety matters!
  • 99% of 1st line parts in stock, e.g. Fans, gas valves, sensors, over-heat thermostats, heat exchangers, PCB's ...
  • Fully approved - Tested & approved by ATAG
  • Fully legal - Compliant to UK standards & legislation
  • Over 7000 qualified heating engineers are regular HSP customers
  • ATAG boiler diagrams available for free
  • Models we cover A series, Comfort, E series, iC, iR, iS, Premier, Q, XL, series
  • Next day delivery on first line spares (if ordered before 4pm) - and tracked online too!
  • Simply click on the part & buy securely with complete confidence...

ATAG boiler diagrams and schematics 

We have hundreds of diagrams available for you, helping you to pinpoint problems and identify boiler spare parts easily and efficiently. There'll be little chance of making costly mistakes or ordering the wrong parts if you make use of our boiler schematics.

View diagrams

Atag Diagrams


ATAG spares made easy

Expert advice next day delivery on all first line spares

Heating spares made simple this website is secured by Geotrust