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LCL Awards CDGA1 Commercial Direct Fired Heating Appliances (Natural Gas) Course
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LCL Awards CDGA1 Commercial Direct Fired Heating Appliances (Natural Gas) Course

1 days
Level 3 Certificate

The LCL Awards CDGA1 course is designed for gas engineers looking to specialise in the commissioning, servicing, and repair of direct fired heating appliances commonly used in commercial and industrial settings. This qualification is essential for those working on appliances where combustion products are released directly into the heated space rather than vented externally, such as in greenhouses and warehouses. The course ensures compliance with current gas safety regulations and prepares candidates for practical and theoretical assessments necessary for Gas Safe registration.

For those who already hold the qualification, a refresher or reassessment option is available to maintain up-to-date competence and certification, ensuring ongoing compliance with industry standards.

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LCL Awards CDGA1 Commercial Direct Fired Heating Appliances (Natural Gas) Course

Why take the LCL Awards CDGA1 qualification?

Obtaining the CDGA1 qualification opens opportunities for experienced gas engineers to work confidently and safely on direct fired heating appliances, a specialised and high-demand area within commercial gas engineering. This course not only improves your skillset but also demonstrates your commitment to safety and professional development in line with Gas Safe Register requirements.

Our training delivers comprehensive instruction and practical experience, supported by expert tutors and well-equipped facilities. Whether you’re new to commercial appliances or updating your skills, our course offers a clear pathway to certification and long-term career growth. Reassessment options are also available for those needing to renew their existing qualification.

LCL Awards CDGA1 Commercial Direct Fired Heating Appliances (Natural Gas) Course
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Overview
What Will I Learn On This Course?
Course Content

Overview

The CDGA1 course covers the full scope of commissioning, servicing, and repairing direct fired heating appliances. Candidates will learn both the theoretical and practical skills required to meet industry standards and pass the Gas Safe assessments.

Summary: The training covers appliance types, safety protocols, fault diagnosis, maintenance, and commissioning processes tailored specifically to direct fired appliances.

Topics include:

  • Introduction to direct fired heating appliances and applications
  • Gas safety legislation and regulations
  • Understanding appliance construction and operation
  • Identifying types of burners and controls
  • Commissioning procedures and commissioning documentation
  • Servicing techniques and best practices
  • Fault finding and repair methods
  • Ventilation and combustion air requirements
  • Testing combustion performance and emissions
  • Safety shutdown systems and interlocks
  • Gas tightness testing and gas pressure measurements
  • Use of specialised tools and equipment
  • Practical assessment on a variety of direct fired heating appliances
  • Maintaining records and documentation for Gas Safe compliance
Learning Outcomes

What skills and knowledge will I gain?

Summary: By completing the course, candidates will be competent in the safe commissioning, servicing, and repair of direct-fired heating appliances, meeting the standards of the Gas Safe Register.

  • Confidently work on direct-fired commercial gas appliances
  • Understand legislation and health and safety requirements
  • Apply correct fault diagnosis and repair methods
  • Perform combustion and safety tests accurately
  • Complete all necessary documentation and certification
  • Maintain appliance efficiency and safety throughout its service life

Related Courses

CDGA1 is often combined with CIGA1 for engineers working across both direct and indirect-fired commercial heating appliances. Where radiant systems are installed, CORT1 may also be relevant. Engineers progressing into commercial environments will usually have completed CODNCO1 before undertaking this qualification.

Materials

Resources

Summary: Our course materials are designed to support learning and revision both during and after training.

  • Comprehensive training manuals aligned with LCL Awards standards
  • Practical demonstration units and real appliances for hands-on experience
  • Access to online resources and practice assessments
  • Support from qualified instructors throughout the course duration
Prerequisites and Preparation

Who can take the CDGA1 course?

Summary: To enrol, candidates must already hold a recognised core gas safety qualification and have practical experience working with gas appliances.

  • Current Core Domestic Gas Safety (CCN1) or Core Commercial Natural Gas Safety (COCN1) qualification
  • Relevant experience in domestic or commercial gas installation and maintenance
  • For some, completion of the Changeover Domestic to Commercial course (CODNCO1) may be required
  • Adequate English language skills to understand training materials and assessments
What’s Included

What should I expect from my booking?

Summary: We ensure a comfortable and focused learning environment with all essentials provided.

  • Full training and assessment for the CDGA1 qualification
  • All necessary course entry and examination fees included
  • Lunch and refreshments provided (tea, coffee, and juice)
  • Access to all course materials and hands-on practice appliances
  • Supportive learning atmosphere with expert tutors
Got a Question? We’ve Got Answers
Frequently Asked Questions
What does the CDGA1 qualification allow me to do?

It qualifies you to safely commission, service, and repair direct fired commercial gas heating appliances, which are used where combustion products are released directly into the heated space.

Who should take this course?

Experienced gas engineers with a core domestic or commercial gas safety qualification looking to specialise in direct fired heating appliances.

Is there a refresher or reassessment option?

Yes, refresher courses and reassessments are available for those maintaining their qualification.

What is the assessment format?

The course includes a written theory exam and a practical assessment to confirm competence.

Can I take this course without prior qualifications?

No, entry requires prior core gas safety qualifications like CCN1 or COCN1.

Does this qualification affect my Gas Safe registration?

Yes, it allows you to work on the specific appliance type covered by the qualification, essential for compliance.

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