1 the boiler has two separate functions.
Central heating water tank temperature.
Providing a place for the hot water to go when your system has overheated.
The pump the pump is a part of your central heating system without it the water heated from the boiler wouldn t go anywhere.
Although a small tank may be found in the loft for venting and feeding your central heating no cold water storage tank is necessary.
Central heating faults and fault finding hot water or heating is too hot.
This is usually fitted on the side of the tank.
This allows you to set the temperature of the water that leaves the boiler to heat the house.
How to tutorial for finding the cause of central heating problems where your central heating or hot water is too hot.
If you lower the temperature your boiler will operate as efficiently as possible.
Its job is to top up your central heating system with water and if your system overheats it provides somewhere for the hot water to go.
A pumps job is to push hot water around your heating system.
Without the pump the water will just sit still in the pipes.
Some boilers have separate controls for the temperature of the radiators and hot water.
If you have a conventional boiler system your water cylinder will have its own thermostat.
Temperature controls for your heating and hot water.
The location of a pump is usually placed inside.
Use our flow charts to methodically work through and rule out potential causes of problems with your central heating and hot water supply.
Hot water cylinder capacity varies between 25 gallons to 50 gallons for normal domestic supply with the larger being enough to supply an average family for a day.
There are many different types of central heating systems on the market most of which comprise a central boiler which is actually a heat generator because the water is not boiled.
With that in mind if you have a hot water tank then your hot water flow should be at least 60c and your hot water tank should be set to store water at this temperature.
It is part of an open heating system.
This is because this is.
Feeding water to the central heating system when water is low.
Rather it peaks at 82 90 c or furnace to heat water pipes to distribute the heated water and heat exchangers or radiators to conduct this heat to the air.
The water tank has two jobs.