Hullo! I can't find the pressure valve on my Vaillant ecotec boiler. I reckon they don't have the usual plastic keys fitted so I can't tell which one it is?
Can anyone tell where it/they is/are from the picture?
To re-pressurise I assume you mean.
The braided hose is the filling loop, turn on both the valves (screwdriver slots in line with the pipe on, across off) and turn off when between 1 and 1.5 bar on the gauge.
The valve on the right looks a bit mangled though so make sure you use a well fitting screwdriver.
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