Since early 2000 it is a legal requirement to have an annual PSSR boiler test carried out on your coffee machine. Failure to do so can lead to invalid insurance and warranty.

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PSSR Coffee Machine Test

If you own a commercial coffee machine that uses pressurised steam, and is older than 14 months from date of new supply, can prove to be a risk that you may want to avoid. This is because you have a statutory obligation to meet the stringent legal requirement of the Pressure Systems Safety Regulations 2000

The Pressure Systems Safety Regulations 2000 require pressure systems to be inspected in accordance with a Written Scheme of Examination, test is designed to prevent serious injury from the hazard of stored energy. The Regulations apply to owners and users of systems containing ‘relevant fluids’, (which include steam, gases under pressure and any fluids kept artificially under pressure and which become gases when released into the atmosphere). The term ‘fluids’ includes gases and liquids which are capable of exerting a vapour pressure. Coffee Machine boiler operates at 100°C and over, it comes under the Pressure Systems Safety Regulations.

If you continue to use an espresso machine with a steam boiler without the required testing, you will be in contravention of the Pressure Systems Safety Regulations 2000 which will firstly, invalidate a comprehensive insurance claim made regarding any incident on that machine.

Commercial coffee boilers incorporating a pressure vessel (e.g. cappuccino makers) generate steam and therefore come under this requirement of PSSR. If your machine is due for its boiler certification that is required then get in contact with us. It is a statutory examination that is designed to ensure that the pressure systems within your commercial coffee machine are “safe”.


PSSR Test inspection procedure will include:

  • Completely cut the coffee machine down
  • Strip down coffee machine by our engineer (independent inspector is not allowed to carry out any dismantling or assembly work on the machine)
  • Drain out the boiler and remove heating element.
  • Then the certified independent inspector (normally one recommended by the business insurance company) will proceed to inspect the boiler inside out and the safety valve
  • Once the independent inspector has finished his inspection, engineer will reassemble the coffee machine and change the heating element gasket.
  • The Machine will then be tested to full pressure (1.7-.1.9 Bar) to see if the safety valve function correctly and opens at the designated pressure it is been built for (usually 1.8 Bar).
  • After all of that is been done the independent inspector will issue a PSSR Test Certificate for the coffee machine to indicate it has passed
  • If the machine fails for any reason and cannot be repaired within the allotted testing period, (spare part required and not available) then a second inspection visit will have to be arranged and your machine cannot be used until it has been passed.

To view the on-line Pressure Systems Safety Regulations 2000 go to: