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Unvented Hot Water Storage Systems training course

Course code: WS10  |  View the training area

Course overview

A 2 day training course designed for plumbing and heating engineers who want to design / install / service / maintain vented and unvented domestic hot water storage systems in line with Regulations and Guidance. The course is heavily focused around Building Regulations Approved Document G3 and is a legal requirement for those looking to install an unvented hot water system over 15 litres.

N.B. Significant experience in plumbing / heating within the last five years or be studying towards or qualified to NVQ Level 2, is a pre-requisite to attendance.

Unvented Hot Water Storage Systems

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Benefits of attending for the learner

  • Greater understanding of design / installation / servicing / maintenance technical and legal requirements around hot water storage systems, to maintain sanitation / safety / efficiency.

Benefits of attending for the employer

  • A nationally accredited form of recognition of the employee's competence in the role of unvented hot water storage system design / installation / servicing / maintenance.
  • Reduced risk of associated health and safety hazards for employees and engineers working on systems (moral / legal / financial repercussions).
  • This course is recognised by Competent Person Schemes.
  • Compliance with relevant Regulations / Guidance.

What you will learn

  • Direct / Indirect / Vented / Unvented classification.
  • Pressure / flow / poor supply.
  • Cylinder sizing.
  • Pipework runs / sizing.
  • Balanced supplies.
  • Expansion / Relief Valves.
  • Discharge pipework / tundish / termination.
  • Secondary circulation.
  • Mixing valves.
  • Uncontrolled heat sources.
  • Commissioning.
  • Competence.
  • Notification.
  • Component Identification.
  • Water Supply (Water Fittings) Regulations 1999.
  • Building Regulations 2010.
  • Approved Document G3.
  • BS6700 / BS EN 806 Parts 1–5 / BS8558:2015.
  • Safety devices.
  • Packages and units.
  • Systems <15 litres.
  • Maintenance of Vented / unvented.
  • Maintenance of bubble tops.
  • Other legislation – energy efficiency / electrical safety.

What qualifications will you achieve?

  • Successful candidates will achieve ERS certification certificate of Unvented Hot Water Storage Systems and membership within a Competent Person Scheme.

How is this training delivered?

Learning will come in a classroom environment in the form of trainer explanation, group discussions, group exercises, a practical demonstration and and will be broken up with breakout sessions.

Assessment of learning will be based around three multiple choice papers testing knowledge of all aspects of the course:

  • Assessment 1 Part 1 – (Open Book) Diagram fault finding in connection with D1/D2 pipework / the tundish / termination (9 Questions / Pass mark – 7 out of 9).
  • Assessment 1 Part 2 – (Open Book) Identification of the correct function of hot water system components (12 Questions / Pass mark – 9/12). 40 minutes allowed for parts 1 and 2 in total.
  • Assessment 2 – Closed Book Multiple Choice Assessment focused around Design / Installation / Rules / Regulations / Maintenance / Fault Finding (7 Questions / Pass mark 5 out of 7). 15 minutes allowed.
  • Assessment 3 – open Book Multiple Choice Assessment focused around Design / Installation / Rules / Regulations / Maintenance / Fault Finding 33 Questions / Pass mark 25 out of 33). 1 hour allowed.

A re-sit opportunity is permitted on the day for learners achieving less than the desired pass rate but greater than 60%.

All assessments must be achieved for an overall course certification.

Learners not reaching the desired pass will be referred for additional learning.

What do I need to bring with me?

  • All course material will be provided by the trainer (including handbook, pen, unvented rig and copy of G3).
  • A copy of Approved Document G3 will be issued ahead of the course as reading is required before attendance.

Learners undertaking this course might also consider:

Course dates

Course code
2 day course
Price from
£365.00 + certification

Please use the basket to book online, or call us on 0800 876 6708. Can't see a suitable date/location? We can deliver at location to suit you, call us today on 0800 876 6708.

N.B. Places = Places left

Start dateStart dateEnd dateCentreExc. VATInc. VATPlaces left 
03/12/2019Tue 03 Dec 2019Wed 04 Dec 2019 Derby £365.00£438.00 5+
19/03/2020Thu 19 Mar 2020Fri 20 Mar 2020 Derby £365.00£438.00 5+
21/07/2020Tue 21 Jul 2020Wed 22 Jul 2020 Derby £365.00£438.00 5+
26/10/2020Mon 26 Oct 2020Tue 27 Oct 2020 Derby £365.00£438.00 5+

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