How To Drain A Radiator Without Draining The System

If you want to drain your radiator without draining your full heating system, then follow this no nonsense DIY video tutorial.

How to replace a radiator valve - Full guide https://housewarm.co.uk/how-to-replac...

Learn how to drain a radiator without draining the system from a full-time central heating engineer.


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This is helpful for removing a radiator for decorating, replacing a radiator, replacing a radiator bleed valve, or adding chemicals to a system like inhibitor, cleaner, or leak sealer.

Make sure to check the boiler pressure after doing this and if it's below 1 bar, increase the pressure.


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Video chapters for quick access:

00:00 Preparation
00:22 Isolating the radiator
00:47 Releasing the pressure
01:15 Draining the radiator
01:57 Emptying the tub


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