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  1. Khaoscip

    Help, do not know position of valve. Vaillant

    Hello guys, I have one question. Should this valve stay open or closed on my vaillant turbomax boiler? I had fiddled with it because I had low pressure after removing air from one heater. Now I do not know correct position. Like this _ or other way I? https://ibb.co/X3Wm1tK With it the other way...
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