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Commercial gas engineer inspecting a boiler installation in a plant room

Water Treatment Engineers Wanted

Subcontract and self-employed work for water treatment engineers through our wider partner network.

For engineers and trades only. This page is about joining our wider partner network as a self-employed subcontractor. It is not a customer service: this website's customer services are commercial gas work only. Customers looking for a gas engineer should see our gas services or call 0208 935 5572.

If you are a self-employed water treatment engineer looking for subcontract work, you can apply to join our wider partner network. Work is offered job by job when it matches your skills and area. There is no set number of jobs and no guaranteed income.

Typical scope of work

  • Water softener servicing
  • Closed system dosing and sampling
  • Filter and UV unit maintenance
  • Chemical cleaning of systems

What you need to apply

  • Water treatment experience
  • COSHH awareness
  • Public liability insurance

Exact requirements depend on each job. Documents are checked on the partner portal.

Where work comes up

Our own gas engineers cover London around the clock, including areas such as Kingston upon Thames, Islington, Lambeth, Newham, Hillingdon. Partner network jobs can be anywhere in the UK; you choose how far you travel.

Questions from water treatment engineers

Is laboratory testing included?

Sampling is included; lab analysis is carried out by accredited labs.

Can heating engineers apply?

Yes, if they carry out system dosing and treatment.

Apply to our wider partner network

Applications are handled on a separate partner portal. You will upload your qualifications and insurance there so they can be checked. Applying does not guarantee work or income.

Apply as a water treatment engineer

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