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Water heating is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses for hot water are for cooking, cleaning, bathing and space heating. One of our top sellers in this field are the Hyco water heaters, which are produced to the highest standards to give you the very best in design and use.

 

Domestically water is traditionally heated in vessels known as water heaters, kettles, cauldron, pots or coppers. The vessels heat a batch of water but do not produce a continuous supply of hot water.
 
 
Appliances for providing a more-or-less constant supply of hot water are known as water heaters, hot water heaters, hot water tanks, boilers and heat exchangers depending on whether they are heating potable or non-potable water.
 
 
In domestic situations, potable water heated for uses other than space heating is sometimes known as domestic hot water.
 
 
Water for space heating may be heated by fossil fuels in a boiler.  The most useful heating transmitter is known as the radiator.
 
 
Instantaneous water heaters heat water on demand and vary from small hand wash units seen in public buildings to electric showers on combination boilers. 
Combination boilers are so called as they combine the traditional capabilities of a standard heating boiler with the added functionality of being able to utilise the full boiler capacity to heat water instantly.
 
 
With open vented systems, a large volume of cold water is stored in a header tank located in a higher level that the cylinder, in most cases this will be the attic. The water storage cylinder, usually located in the airing cupboard is fed at the base of the cylinder by the header tank.  Water pressure and flow within the system is fed by gravity. When the water is heated it rises to the top of the cylinder where it can be drawn off through the hot water supply pipes and tap or shower outlets.
 
 
Mains pressure stored water systems rely on the water pressure within the mains supply to push the water out of the cylinder through the pipe circuits.
 
 
There are 3 main categories of mains pressure hot water heating systems;
 

1.       Unvented hot water heating systems

2.       Direct fired gas water heaters

3.       Thermal storage water heaters

 

Depending on which system is chosen open vented or unpressurised units are available for the heating side, the majority are unvented or sealed heating systems.  Unvented systems are closed to the atmosphere therefore they have no feed or expansion tanks in the loft space.
 
 
 

Water Heating & Cooling

The Electrical Counter specialise in quality electric water heating solutions from top quality brands such as Redring, Hyco & Galaxy.

 

From catering wall kettles through to showers and undersink water heaters, right up to the Ascari flow boiler from Redring.
 

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