We currently provide services and support to companies and individuals in Humberside, East Yorkshire, North Lincolnshire, North East Lincolnshire, South Yorkshire, West Yorkshire, Teeside, London, Portsmouth, Plymouth, Southampton, Hampshire, Oxfordshire and Wales.

LCL Unvented Hot Water Storage Systems

This LCL Unvented Hot Water Systems course is aimed at plumbers and heating engineers wanting to legally install, service or commission domestic hot water systems in the UK.

It is a legal requirement of the building regulations that all domestic unvented hot water systems over 15 litres capacity are installed, serviced and maintained by a qualified person. A qualified person is someone who holds a current recongnised Unvented Hot Water Storage certificate. This LCL Unvented Hot Water Systems course provides such a certificate.
The theory course is taught in our modern well equipped training rooms and covers the following topics. The sessions are lively and interactive:
Module 1 -  Induction to the course
Course program, introductions, general procedures for training and assessment.
Module 2 -  Domestic Hot Water Supply
The options for supplying domestic hot water including; conventional heating systems, storage water heaters (electric), bulk storage water heaters, water jacketed tube heaters, combination boilers
Module 3 -  Regulations
overs the legal requirements for domestic unvented hot water systems including BS6700, BBA, Water Regulations fluid categories, Building regulations
Module 4 -  What is an unvented hot water system?
Introduction to concepts of unvented hot water systems including advantages and disadvantages, controls, safety, expansion of water
Module 5 -  Design of Unvented Hot Water systems
Direct fired systems and indirect fired. Size and capacities of unvented hot water systems
Module 6 -  Installation of Unvented Hot Water systems
Pipework runs, discharge pipework, commissioning, cold water supply, hot water supply, controls, sealed heating systems, safety checks
There is an open book multiple choice examinations at the end of the days training together with a practical fault finding session.
Practical training sessions for this unvented hot water course takes place on our purpose built unvented hot water training rigs. These unvented rigs allow the experienced unvented tutor to safely simulate dangerous situations that can occur on the unvented systems.The unvented practical training covers the installation, commissioning and maintenance of unvented hot water systems.

Next Course Dates: 2023

27th September 202

25th October 2023

29th November 2023

20th December 2023

Next stop…..
Water Regulation and Leginella

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Head Office:

Crownship Developments Ltd,

Charlton House Mews,

Bridge Street, Brigg,

North Lincolnshire,

DN20 8NQ


Technical Centre:

Crownship Technical,

Unit 13,

Temple Street Unit Factory Estate,

Station Drive,




Telephone Number: 01652 658151




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