Unvented Cylinder

Unvented Hot Water For New Entrants (Hot Water Safety)
(Part G Requirements) - QCF Aligned


Unvented hot water is one of the fastest growing sectors of the U.K.

Unvented systems are fed directly from the cold water mains supply and offer a number of benefits compared to conventional systems, such as;

Course objectives/key benefits

The course provides the relevant knowledge and understanding required to install, commission or service unvented cylinders (or any mains water fed appliance) to self-certify their work in accordance with Part G3 of the Building Regulations.

Who is the course aimed at?

The course is aimed at individuals with a plumbing background or related trade interested in becoming involved in unvented and open-vented hot water systems

Entry requirements/pre-requisites

The course requires candidates to have a knowledge and understanding of plumbing and heating systems and is ideally suited to existing plumbing engineers who should hold an NVQ in Plumbing at level 3 or equivalent (e.g. City & Guilds Advanced Craft) or who has suitable practical plumbing experience.

Plumbers currently practicing in industry, who do not hold an NVQ (or equivalent) but have suitable experience at this level, can also undertake this course.

Anyone who has previously held an unvented hot water certificate at any time in the past can undertake the Unvented Hot Water reassessment (ASSESSMENT ONLY), if they can provide evidence of this by way of a certificate or their operative's card.

Course content

Course duration

One day

Training Method

Theory and some practical workshop


Practical assessment, multiple-choice and written question papers

Course Outcome/Qualification

Candidates who successfully complete the assessment will receive a certificate of competence from CERT-AIN, the awarding body.

This will enable them to apply to join an appropriate competent persons scheme and self-certify the installation and commissioning of unvented and open-vented hot water cylinders and systems.

PLEASE NOTE: This course is QCF aligned

Materials Provided

Candidates will be provided with a training pack


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