course information

Unvented Hot Water

About this course

This course enables plumbing and heating engineers to confirm their competence in installing and maintaining unvented hot water storage systems. Successful completion allows candidates’ membership to an Unvented Hot Water Competent Persons Scheme. It is illegal to work on unvented hot water systems with capacities over 15L unless a recognised qualification is held.

Candidates will be able to expand their services, be recognised as competent to design, install, service, and maintain unvented water systems, and self-certify their work in compliance with Part G Building Regulations.

The course includes modules to ensure qualification, confidence, and safe work with Unvented Hot Water Systems, covering:

  • Regulations, standards, and guidelines.
  • Theory of hot water expansion.
  • Principles of hot water storage.
  • Installation requirements.
  • Design considerations.
  • Components and function.
  • Pipework and testing.
  • Safety controls, discharge, and integration.
  • Maintenance, commissioning, and service.

Prerequisites

A qualification in Water Regulations is recommended.

Assessment method

Practical and written test.

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