Course Overview
This Unvented Hot Water Systems (UDHW) course is designed for plumbing and heating professionals who install, service, or maintain unvented hot water storage systems. The course confirms your competence in system design, installation, maintenance, and compliance with G3 of the Building Regulations.
You’ll also gain a working knowledge of Part L1 (Energy Efficiency) of the Building Regulations, including how unvented systems impact energy conservation and central heating design.
Who Should Attend?
This course is ideal for:
- Practicing plumbers and heating engineers
- Professionals who already have a working knowledge of hot and cold water systems and central heating systems
Pre-Requisites
- Initial Assessment: No formal qualifications required, but prior knowledge is recommended.
- It is advised (not essential) to complete a Legionella Awareness or WRAS course beforehand.
- Reassessment: Candidates must provide proof of previous UDHW certification when booking.
Course Content
You’ll cover key topics to ensure safe and compliant installation of unvented hot water systems, including:
- 📘 G3 of the Building Regulations – what it covers and how to comply
- ⚠️ Identifying common faults in installation and maintenance
- 🔧 Design principles and energy conservation in line with Part L1
- ✅ Completing assessments to confirm competence in design, installation, and servicing
Course Duration
🕒 Initial Training: 1 full day
🕒 Reassessment: Half-day course
Assessment & Certification
- Initial Course: Includes theory exams and a practical assessment
- Reassessment: Theory exams only
📢 Successful candidates receive a recognised certificate of competence.
Course Materials
📚 A training manual is provided and can be used as a reference during and after the course.
Booking Information
📞 Plymouth: 01752 348980
📞 Redruth: 01209 311001
📞 Exeter: 01392 829100
📞 Bristol: 01454 614203
💬 WhatsApp: 07516276671
📧 Or get in touch via our online enquiry form
How much will it cost?
Initial £217+VAT reassessment £195+VAT including training, assessment and certification fee.
Why Choose This Course?
- Compliant with G3 Building Regulations
- Delivered by experienced trainers
- Certification required for working on unvented systems
- Helps meet legal and safety standards
Available dates
Please contact us if you cannot find any available dates.