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    Cazsmith's Avatar
    Cazsmith Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 19, 2015, 10:06 AM
    Hello I have a potterton suprima boiler and after bleeding the rads I now have zero
    After bleeding the rads the pressure is zero. How do I repressurise the system as I cannot locate a filling loop or tap
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Jan 19, 2015, 03:07 PM
    Hi Cazsmith

    There is only ONE water pipe that goes to the heat system, so follow the cold water pipe from the water main to the boiler and you should find the pipe that feeds water to the system. Most likely, the automatic fill valve is stuck and can only be unstuck by lifting the little lever on the top of the FILL VALVE (see picture). Lift the lever and the system will start to automatically fill, but be careful as this is a "fast fill" lever and it could feed water into the system too fast and cause the pressure relief valve to go off (not a good thing). You want to keep the pressure between 12-15 PSI in most cases, so keep an eye on the pressure gauge while filling. Worst case, the fill valve may need replacement.

    Post back as you work through this, OK?

    Mark
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