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UNVENTED HOT WATER COURSE
Next Course Date:
Please contact the centre for details
Renewal For ACS £149
WHO SHOULD ATTEND THIS COURSE?
The unvented hot water course is for qualified gas engineers who wish to increase their profitability and/or their employability. There is still a high demand for renewable technologies that increase the need for customers to have unvented hot water systems. This further increases the demand for good engineers to design install and comission the unvented systems
HOW LONG IS THE COURSE?
The course is a 2 day course. Each day starts at 08:30 till approximately 16:30 hours
UNVENTED HOT WATER COURSE CONTENT:
The focus of the unvented hot water course is on safety.
The course covers the design of unvented hot water systems and the assessment of installations for their suitabilty for the equipment to be installed.
You will learn the best place within the installation to site the unvented hot water cylinder. We will teach you how to identify the different type of unvented systems and equipment. The design of the unvented system will include how to comply with Part G of the Building Regulations.
You will learn the installation methods used for installing unvented hot water systems and how to fully commission the system.
In addition to all of the above we will teach you how to identify and rectify common faults in unvented hot water systems.
What is an unvented hot water cylinder?
An unvented hot water cylinder is a water tank which stores heated water under Very high pressure. The water within the cylinder is released when a hot water tap or appliance is turned on. This gives instant hot water.
The system gets its name because it does not need venting to the atmosphere due to the pressure in the system.
Unvented hot water cylinders have become much more popular over the last few years. Unvented hot water cylinders do not require a cold water tank and so save space within the home. The sealed cylinder is directly supplied from the cold mains, making the flow rates from an unvented cylinder much more reliable.
Unvented hot water cylinders are typically made from stainless steel or heavy gauge copper, the copper being much more expensive.
How do unvented systems work?
In an unvented hot water system the cylinder is fed directly from the incoming mains water, this keeps the system under constant pressure and ready to use. Two different methods for heating the water within an unvented hot water system are used. Directly heated where the cold mains water is warmed up by an in-built immersion heater. Or
Indirectly heated where the water is heated by an external source such as a gas boiler or solar panels.
Advantages of an unvented system
In an unvented hot water system the cylinder is fed directly from the incoming mains water, this keeps the system under constant pressure and ready to use. Two different methods for heating the water within an unvented hot water system are used. Directly heated where the cold mains water is warmed up by an in-built immersion heater. Or
Indirectly heated where the water is heated by an external source such as a gas boiler or solar panels.
The constant pressure from the mains also means that flow rates are better than in a vented system, giving better performance from your shower and taps. This is particularly important for those who have high-powered luxury bathroom fittings such as jetted baths, which require large volumes of hot water fed into them at a steady rate.