The SolaPlug is not heavy, and will add no extra stress to the hot water cylinder. However we cannot expect cylinder manufacturers to guarantee their cylinders once a SolaPlug has been fitted, because they would prefer to sell new cylinders! The m...

SolaPlug Installation Guide For cylinders with horizontal immersions conventionally covered. ...

SolaPlug Installation Guide - For cylinders with vertical (top mounted) immersions. Vented.    ...

Why I designed the SolaPlug I have had a life long interest in alternative energy and engineering. After studying engineering at university, I worked for Win...

University of Ulster Test Report Foreword Solar water heating is a simple and reliable technology that should be part of every home's heating system. ...

Retrofitting to the existing cylinder is often the most cost effective way of fitting solar. The following important conditions need to be  followed: ...

Sizing your Solar System When retrofitting solar to an existing hot water cylinder, the tank must be large enough. It is good practice to set the boiler controller to heat...

Performance of Solar Water Heating Systems All solar systems in which a single hot water cylinder or store is heated by solar and a boiler depend on appropriate timing of the boiler to achiev...

Cylinder Heat Loss The heat lost from a hot water cylinder throughout the year is considerable. Manufacturers claim between 500 & 800 KWh/year depending on size. ...

An unvented cylinder if incorrectly installed can be as lethal & devastating as a gas explosion. Buiding Regulations G3 require safety devices to contain this risk. In addition to the control thermostat an unvented system must have 2 independent...

For a SolaPlug installation to be eligible for grants: ●  The installation must comply with the Microgeneration Certification Scheme. ●  The panel / collector must be app...