Central Heating videos
Central heating can be complicated but the videos in this category are designed to help everyone with their central heating. From adding an expansion vessel to wiring in a wireless thermostat this section will have plenty of videos to help.
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In this video I repair a leaking radiator valve nut by wrapping some PTFE tape around the olive. It is quite common for radiator valves to leak via the nut/olive or pipe, especially on small bore pipes such as microbore.
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A common problem when doing plumbing is how to solder a wet pipe, this can be a real problem especially if you cut into a downstairs copper pipe as the rest of the pipes in the house can take hours to drain fully. Obviously the pipe needs to be dry before
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Chrome pipe can be difficult to join, this video explains why
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If you need to isolate your central heating header tank this video shows how to do it when there is no isolation valve.
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Radiators may need bleeding if the radiator is warm at the bottom and cold at the top, this is often an easy task, although on a sealed system you may need to re-pressurise the system before all radiators can be successfully bled.
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Many sealed boilers such as combination boilers will not operate if the pressure in the central heating side of the system drops below a certain pressure (often 1 bar). This video shows how to re-pressurise your system so that you can get the boiler worki
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Some boilers have built in integral time clocks, if the clock fails the boiler may not operate correctly. This video shows how to change a boiler time clock as it is a simple like for like replacement.
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If your central heating system is loosing pressure on a regular basis the expansion vessel may need recharging, or the vessel may of failed and need replacing (please watch the video on how to test an expansion vessel). The expansion vessel can be recharg
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How to test an expansion vessel in a central heating system. If the expansion vessel is suspect it is a good idea to test it using this technique as it will identify a faulty expansion vessel.
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This video shows how to fit an external expansion vessel to a central heating system. If the built in expansion vessel is faulty in the boiler you need to get a registered gas engineer to replace it, but instead you can fit an external one yourself as you
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Radiator valves can be the cause of leaks in some central heating systems, if you find your valves have been leaking it is essential that they are tightened using a suitable spanner and also a pair of water pump pliers in order to support the valve and pr
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Draining down central heating may be necessary if several radiators require removing from the system at the same time. This video shows how to drain down a combi central heating system.
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How to remove a radiator from a central heating system, this is often useful if you want to decorate behind the radiator or wish to replace the radiator.
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Central heating leaks can be difficult to find, here we demonstrate an easy way to find a leaking joint.
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This video shows how to install a wireless room thermostat to a combination boiler. Wireless room thermostats can often save fuel as they keep the room at the exact temperature that you require. The model fitted in this video is the Honeywell CM921 wirele
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Frozen pipes need thawing out carefully, here we show one of the easiest options on a condensing boiler's condensate pipe