Unvented Domestic Hot Water Systems Course (G3)

Expand your knowledge and skills in the field of unvented hot water systems.

Our comprehensive Unvented Hot Water Course and Assessment is designed to provide you with the expertise required to safely and effectively work with unvented domestic hot water systems and to comply with the relevant Building Regulations and Standards.

The manual for England/Wales comprehensively covers Approved Document G3, Part L1, and Part P of the Building Regulations. It provides in-depth guidance and instruction on meeting the requirements outlined in these regulations.

Microgeneration Certification Scheme (MCS)
Under the MCS scheme it is a requirement of the certification bodies that those looking to get approved for installing Solar Thermal systems hold valid Hot Water Systems & Safety Certifications

Course Overview: Unvented Hot Water System Course

Welcome to our Unvented Hot Water System Course! This comprehensive training program is specifically designed to equip you with the knowledge and skills required to work confidently and safely with unvented hot water systems. Whether you are a plumber, heating engineer, or aspiring professional in the industry, this course will provide you with the expertise needed to excel in this specialized field.

Course Objectives:

1. Understand Unvented Hot Water Systems:

  • Gain a comprehensive understanding of the principles, components, and operation of unvented hot water systems.
  • Learn about the advantages, limitations, and safety considerations associated with these systems.

2. Installation and Commissioning:

  • Learn the step-by-step process for the correct installation and commissioning of unvented hot water systems.
  • Understand the relevant regulations and standards governing the installation process.
  • Explore best practices for ensuring system efficiency, reliability, and compliance.

3. Maintenance and Servicing:

  • Acquire the skills needed to conduct routine maintenance and servicing of unvented hot water systems.
  • Learn how to diagnose and troubleshoot common issues that may arise.
  • Understand the importance of safety checks, valve maintenance, and pressure regulation.

4. Safety and Compliance:

  • Familiarise yourself with the safety considerations and legal requirements associated with unvented hot water systems.
  • Understand the relevant building regulations and industry standards that must be adhered to.
  • Learn how to identify and mitigate potential risks associated with these systems.

5. System Upgrades and Expansion:

  • Explore methods for upgrading existing hot water systems to unvented systems.
  • Understand the considerations and steps involved in expanding or modifying unvented systems.
  • Gain knowledge of the options available for system enhancements and energy efficiency improvements.

Course Delivery:

  • Expert-Led Instruction: Learn from experienced industry professionals who will guide you through the course material, providing real-world examples and insights.
  • Interactive Learning: Engage in hands-on activities, case studies, and practical exercises to reinforce your understanding of unvented hot water systems.
  • Course Materials: Access comprehensive course notes, reference materials, and resources to support your learning journey.
  • Assessment: Demonstrate your understanding and competency through assessments that evaluate both theoretical knowledge and practical skills.

Course Benefits:

  • Enhanced Career Prospects: Acquire specialised knowledge and skills that are in high demand in the plumbing and heating industry.
  • Increased Confidence: Develop the expertise and confidence to handle complex unvented hot water system installations, maintenance, and troubleshooting.
  • Compliance with Regulations: Ensure that your work meets the necessary safety standards and building regulations.
  • Professional Recognition: Receive a course completion certificate attesting to your proficiency in working with unvented hot water systems.
  • Meet the requirements of renewable technologies.

Upon successful completion of the course, you will receive a certification that validates your competence in working with unvented domestic hot water systems. Additionally, you will undergo an assessment to evaluate your understanding and practical skills, ensuring that you are fully prepared for any challenges you may encounter in the field.

Ongoing Support:

We believe in fostering long-term relationships with our students. Even after completing the course, you can reach out to our team for any guidance or support you may need in the future. We are here to help you succeed.

Don’t miss this opportunity to enhance your professional profile and take your career to new heights. Enrol in our Unvented Hot Water Course and Assessment today and unlock a world of possibilities!

Unvented Hot Water Heating


Essential Book supplied *throughout* course!

17th edition course

First exam fee included!

The Tutors:

Our Tutors are qualified, highly experienced, enthusiastic, knowledgeable and  extremely friendly, you can take full advantage of all the tips of the trade, personal experiences and practical advice they offer. This short theory course is intensive, but no compromise is made on the course content.  The atmosphere is relaxed and enjoyable which creates a good learning environment.

Course Overview

Receive the full course overview by submitting your details below


£180.00 + VAT (£216.00 inc VAT & all fees)

Course Duration:

1 Day


To meet the eligibility criteria for obtaining your G3 qualification, the following requirements must be fulfilled:

Experience in Domestic Hot & Cold Water Systems Installation: Candidates should have practical experience in installing domestic hot and cold water systems. Additionally, they must possess recognized competency in conventional fuel systems, such as gas, oil, or solid fuel, as acknowledged by the Department for Communities and Local Government (DCLG).
For individuals in the plumbing industry:

NVQ Level 2 Qualifications or Equivalent Experience: Candidates should ideally hold NVQ Level 2 qualifications or demonstrate substantial experience in the field. This showcases a solid foundation of knowledge and expertise in plumbing practices.

WRAS (Water Regulations Advisory Scheme) Compliance (Desirable): While not mandatory, having WRAS compliance is advantageous. Separate certification for WRAS compliance is available, and candidates should have a working understanding of the requirements outlined in the Part G building regulations specific to domestic water systems (2010 edition).

By meeting these prerequisites, you will be well-positioned to pursue your G3 qualification, enhancing your professional profile and opening up opportunities for working with domestic hot water systems.


Certified by Elm Training Services

  • 12
    Sep 2024
    1 day, 09:30 AM - 04:30 PM
  • 05
    Dec 2024
    1 day, 09:30 AM - 04:30 PM