LCL Awards Hot Water Systems & Safety (inc. Unvented hot water)


This course will teach you:

  • Regulations, standards and guidelines.
  • An understanding of hot water expansion and storage.
  • How to install, service and maintain hot water systems.


This one-day session will be held at our training centre in Rainham, from 9am to 3:50pm.

Call 01708 528240, or email our training department to book.


£220 ex VAT

Who this course is for

This course is aimed at experienced heating and plumbing operatives who require a qualification in the installation, servicing and maintenance of domestic hot water systems. The course has been developed to ensure that operatives are aware of how to comply with Approved Document G (ADG) 2016 when carrying out work on hot water systems. Training includes requirements for the installation of G3 unvented hot water systems and covers systems up to 500 litres capacity and 45kW power input.

The Hot Water Systems and Safety certificate is recognised by Competent Person Schemes (CPS) approved to offer a self-certification scheme under ADG, enabling installers of hot water systems (including unvented hot water systems) to self-certify the installation. A Hot Water Systems and Safety certificate is also required by the Microgeneration Certification Scheme (MCS) registration bodies for those looking to be recognised for the installation of solar thermal hot water systems.

Please note this course has a five-year expiry – reassessment is required every five years to keep the qualification valid. Reassessment is for candidates whose qualification has expired within the past 12 months.

Course content

Participants will cover:

  • Regulations, standards and guidelines.
  • Theory of understanding of expansion of hot water.
  • Principles of hot water storage.
  • Design considerations.
  • Components and function.
  • Safety controls, discharge and integration.
  • Installation of hot water systems.
  • Maintenance and servicing of hot water systems including unvented hot water systems
  • Health and safety considerations.

Course requirements

You must be an experienced plumbing and heating operative.

Course dates 2024

  • 26 January
  • 16 February
  • 28 March

All applications must be received at least five working days before the course begins.

Call 01708 528240, or email our training department to book.

For more information, email

Have any questions?

We’re always happy to help and answer any questions.

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