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Commercial Training at the Grimsby Institute Group
Commercial Training at the Grimsby Institute Group
0800 012 6656 or training@grimsby.ac.uk


The H004 is suitable for plumbing and heating installers who have already successfully completed the H003 course (time limited). The course is important for the safe and effective installation of solid fuel wet appliances. The course discusses advancements in technology, including integration with other types of wet heating.

Successful completion of the H004 course allows HETAS registrants to extend their scope of registration with HETAS on the competent person’s registration scheme.

Course fees:

Contact us for a price.

Awarding Body:

What You Will Learn
Entry Requirements
  • Wet solid fuel appliance; Sizing, Selection, Installation, Commissioning & Decommissioning.
  • Wet solid fuel appliance service & maintenance
  • Compulsory: HETAS H003 Dry Appliance Installer Course
  • evidence of Gas Safe Registration: CCN1 and CEN1;
  • or evidence of OFTEC 101 or 102;
  • or evidence of formal qualifications: City & Guilds 6129/6035 and 6089, or QCF 6189;
  • or evidence of equivalent work experience on wet heating systems
  • or N/SVQ Level 2/3 in plumbing or equivalent earlier certification that provides evidence of competence