I need to replace a radiator in the house I have just moved into but having issues understanding how to turn the water off while I do the work, in my old house there was a water tank in the loft which I disabled, drained the system, replaced the radiator then refilled the system again and blead the radiators.
In my new house there are no water tanks in the loft just the boiler so assume it heats the water when needed and pressurized.
Is it a complex job to replace a radiator for this system? I have attached some photos of the system.
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Hi cantercrow You need to depressurise the system either by slacking one of the joins on the radiator you are going to replace or through its radiator vent. There is a pressure vessel in the system so you may need to drain a gallon or so of water. Once no more water comes out remove the radiator (which will be full of water). Fit the new radiator and add some preservative in it. If there’s a top tapping fill it with water and preservative. Repressurize the system and bleed the system. Regards S
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