Power Flushing

Before we talk about power flushing we must understand how a radiator actually works. What happens inside the radiator when water is pumped through it?

Most heating engineers do not know the path the water takes when it enters a radiator. This can be clearly seen with a thermal imaging Video camera. The writing is on the wall from the beginning, even when a new radiator is heated for the first time, it can be seen that the center section of the radiator will feel substantially cooler than the top.


When the water enters the radiator it tracks up the first two channels of the radiator panel, it then travels along the top on the radiator and exits through the last channel. The remaining channels in between only heat up as the water chills and it find its way to the bottom of the radiator. Ever wondered why the center lower section of the radiator is much cooler than the top, the reason being that the water just sits there, and is not moved by the pump. Most installers are lead to believe that water is fully pumped through all the individual channels in the radiator. Any competent person can understand that where hot and cold water temperatures collide corrosion will take place. Over a year or so in the average heating system corrosion increases and begins to build up in the center channels of the radiators. The channels will clog up very quickly and will obviously prevent the water from moving down to the bottom of the radiator. Initially small cold pockets appear on the radiator panel, continuing to deteriorate into larger sections over time. This is when you notice the problem and will require a power flush.

So what happens when you power flush? Chemicals are put into the system, the boiler is switched on so the hot water will help to break down the blocked channels in the center of the radiators. The chemicals are then flushed out. The system is refilled with water and an inhibitor and the corrosion process starts all over again.

Power flushing is only a temporary solution to a continuous re-occurring process.

Power flushing is very expensive for the householder. The cost of two power flushes would basically purchase new radiators for you house.

The Oxyvent system is installed in thousands of homes with the last 18 years and no power flushing was required since installation, saving the customer thousands and the inconvenience of frequent maintenance. You must also note that as well as saving you money the main advantage is that your system will continue to function properly and you will not have to endure the aggravation of a deteriorating poorly operating system in the run up to the power flush. Now you can see why you need an Oxyvent System in your home. Contact Oxyvent today!

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