Vaillant Boiler Losing Pressure When Cold. i am hoping to get some feedback for the below issue: discuss vaillant ecotech pro 28 losing pressure in the central heating forum area at plumbersforums.net.
My line of thinking was also an undersized expansion vessel, therefore its been strained. Discussion in 'plumbers' talk' started by nim7, feb 23, 2018. I had a job to do today on an older vaillant ecotec combi boiler.
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Start date 27 feb 2020; Last night it felt chilly and i moved the boiler control to a slightly higher temp setting (65). The pressure relief valve outside is wet/dripping. discuss vaillant ecotech pro 28 losing pressure in the central heating forum area at plumbersforums.net.
