Solar thermal - A clean and highly efficient means of using renewable energy from the sun, solar thermal is used to provide a cleaner and more environmentally friendly alternative for providing heating and hot water used in the home. Solar collectors will be connected to one of the coils of a twin-coil cylinder using a sealed circuit containing a special glycol / water solution. This fluid not only withstands the high temperatures in excess of 200ºC but also will not freeze in temperatures down to -25ºC. The pump in the system circulates the heated fluid from the panel to the cylinder where the heat is transferred to the stored water through the lower coil. Solar water heating depends on radiation, not direct sunlight, and so works on dull days.
SpecPro - Product selection and specification software for architects, M&E contractors and engineers. SpecPro has been developed by Heatrae Sadia as a helpful and easy-to-use resource to calculate the hot water requirement for projects based on some basic input data. SpecPro provides recommendations on the most suitable products and the capacity required to meet the hot water demand.
Standing loss - A measurement of the heat that escapes from a hot water cylinder through the high radiating areas of its casing such as the immersion heater boss and the T&P valve, the heat loss is commonly referred to as 'standing loss' and is measured in kilowatt hours (kWh) lost over a 24 hour time period.
Secondary return - Secondary returns are a type of plumbing system used in both commercial and residential water heating applications to ensure that hot water is always available at every point of use. When a particular area of the plumbing system calls for hot water that is not available from the primary water heater, the hot water is drawn from the secondary return system instead.
Swept tee - A swept tee is a pipework connection for a central heating system. For heating systems where secondary circulation is required, a swept tee joint in to the cold feed to the hot water cylinder is recommended.
Strainer - The strainer is a pipework connection placed on the incoming cold water main pipe to filter out any particles that might come from the cold water system, because of the sensitive nature of some of the components (a small piece of grit could cause them to malfunction), the strainer keeps them clear.
System (boiler) - System boilers are perfect for properties with more than one bathroom or for properties which require more hot water than can be provided by a combi boiler.
Santon - A well-known and respected brand name of quality water heaters; Santon was acquired by Heatrae Sadia in 1998. In 2015, One of the best selling Santon products; the Santon PremierPlus unvented cylinder, moved to the Heatrae Sadia brand. The Heatrae Sadia PremierPlus is available in direct, indirect, solar and pre-plumbed systemfit.