Heating System Flush

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Central Heating Flushing

 

Central heating systems get old and as they do deposits build up in them which reduce the systems efficiency.

Deposits of black iron oxide, more often referred to as ‘sludge’ accumulate in the system and/or boiler resulting in poor circulation, fuel wastage, system noise and premature failure of system components. System flushing can remove this sludge and improve performance.

What is a flush?

When we flush out a system, we don't use the common 'powerflush' method, as we have found through others unfortunate experience, that damage may occur to the joints and seals caused by the high pressure and flow rate of the circulating water.

Instead we use a MagnaCleanse Filtering system with a chemical cleaner in conjunction with the hot water being circulated by the boiler. This is used on the return side of the system to prevent contaminated water running through the boiler.

The chemicals added to the system, break down the dense sludge that has accumulated allowing it to circulate in the hot water flowing around the system.

The MagnaCleanse Filter has 2 powerful magnets which the central heating water flows around, collecting the iron deposits that have collected in the radiators and pipework.

Occasionally where there are particularly stubborn patches of sludge, we will use either a small mallet or rubber head attached to a hammer drill, this helps to loosen the sludge allowing it to break down.

This process is carried out, until the returning central heating water flows clear.

Do You Need A System Flush?

Try this simple test - Locate the radiator furthest from your boiler, when the heating is running, place your hand at the top centre of the radiator for a few seconds, then place it at the bottom centre. If its colder at the bottom then its probably blocked with thick black sludge