Barnstaple Plumbers, The Works M&B Explain How to Bleed Your Radiators in Three Easy Steps!
13th May 2014
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Sometimes, air or gas get trapped in your radiators, preventing hot water from heating your radiator fully. The good news is, bleeding radiators is a simple job that you can do yourself, and it can make a real difference to how energy-efficient the heating in your home is.  You can make a difference to your energy bills by bleeding your radiators at least once a year.  All you need is a cloth and a radiator bleeding key, which you can pick up in your local hardware store for a couple of pounds.

If you don’t feel confident about what you’re doing, stop and get advice from a qualified heating engineer.

For those of you with a bit more confidence the easiest way to bleed your radiators is as follows:

Step One: Open The Radiator Valves

Fully open any thermostatic radiator valves, including the valves on any heated towel rails, and run your central heating for 10 minutes.  Turn off the system.  If your radiators are cooler in one area of the house, the radiators aren't properly balanced.  If the nearest radiators to the boiler are taking more than their share of the hot water from the system, call in a professional to fix it.

Step Two: Release The Air 

Put the radiator key into the valve in one of the top corners of the first radiator and slowly turn anti-clockwise.  Have a cloth handy to catch any drips.  If air is trapped in the radiator, it will escape through the valve and there will be a hissing sound as the air comes out.  As soon as water begins to drip out, close the valve again tightly and wipe away any water.

Some systems have an automatic air release valve fitted.  This usually has a small red top which should be slack to enable the air to escape.

Step Three: Check The Rest Of Your Radiators

Work your way around your system, repeating the process for each radiator.  Take care not to open the valves more than necessary.  Often air pockets will only occur in one or two of the radiators.  Turn the heating on and check there are no dripping valves.  Tighten the valves if necessary.

That is it!!!  It really is that easy to do! 

Finally if you have a pressurised heating system, you will have to top up the heating pressure, normally set about 1.5bar

If you are not confident or you think there may be something wrong with your heating system, then give The Works M&B Ltd a call on 01271 308104.  They offer professional advice and visit you to find a solution to any of your heating worries.  They come thoroughly recommended, reliable and completely qualified .

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Sarah E

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I'm Sarah and I live just outside Barnstaple near Umberleigh.
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