Hot water radiator not working? Here are causes and solutions

hot water radiator installation
Image Credits: Wikimedia Commons

Hot water radiators are extremely useful appliances in homes and workplaces and if anything goes wrong with them, many of our important tasks can be held up or delayed.  There are many reasons why a hot water radiator may stop working or start showing certain irregularities. Before you take a step to treat or solve the issue, you must first understand what is causing the problem and then take the step accordingly. The following are some of the main causes and solutions for hot water radiator not working:

1. Check the radiator control valve

If your radiator is not getting hot then the first thing you need to do is to check the radiator control valve.  See if it has been turned off or not. If not then try turning it counter clockwise to see if it will open.  If the radiator valve doesn’t turn in that direction then try to turn it in the opposite direction to see whether it is stuck or not.  If it is stuck then avoid turning it with too much force as this can break or crack it.  If you are unable to solve the problem, contact a professional.

2. Check the thermostat

Another one of the common reasons for hot water radiator not working is fault with the thermostat. The thermostat controls the heating degree or temperature of the radiator. Check to see if it is on the closed or low heating point. If yes, try increasing the level or temperature and then check the heating again.  If it still doesn’t work then there may be some fault with it and you may need to replace it.


Image Credits: Max Pixel

3. Check if only a few sections are not getting heated

If you observe that your hot water radiator is not working then one thing you need to check is whether only a few sections are not working or the entire unit is not working.  In such a case you must check which parts are not working and then try to get them repaired or replaced.  If the heating convector valve is turned down or is off, then try rotating it in the higher degree direction. If it doesn’t work then you must try to reach it and inspect it.

A heating convector valve is hidden by a convector’s steel cover. See if the valve is jammed due to corrosion by opening it using a screwdriver.  It is possible to get it working by gently loosening it. Work through the lock nut and turn the control screw by using a flat bladed screwdriver.

Now that you know the various causes and solutions for hot water radiator not working, you can identify the issue on your own and then approach it properly with the correct solution. However if you are still unable to identify the issue and need professional help for radiator or general home appliances repair, you can contact Mr Right.

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