Learn to replace the radiator on a central heating system

A radiator is what transfers heat coming from hot steam around the house. The steam is produced inside a boiler and then carried through the radiators. The process is continuous as the steam transforms into water when it cools off and it is retransferred through piping inside the boiler.

Because of corrosion the radiators can get really damaged in time reducing the quality of the heating. This is what you need to know to replace a radiator.

1. Turn off the thermostat and if the case the electricity.

2. Don’t start the repairing until you allow the boiler some time to cool down.

3. At the end of the radiator you should find a knob resembling a garden spigot. Rotate it clockwise. If at the other end of the radiator another pipe is leading out it means you have to deal with a two-pipe steam system.

4. Locate the drain valve underneath the radiator, if there is one, and use it to drain water from the radiator. It’s recommended to have some towel at hand because rusted radiators will turn out very hard to drain themselves.

5. After you locate the couplings that make the connection to the power supply use a wrench to loosen it up.

6. Take off the old radiator.

7. Install the new radiator. Connect it to the piping.

8. Tape the radiator’s threads with plumber’s tape and use the wrench to tight the coupling. Open the valves.

9. The radiator is now ready to be tested. If you notice nay leaks when you turn on the boiler tighten them.

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