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  1. J

    Boiler bar to high

    Hi. On one day to boiler bar was 0.7 when the system was cold. I filled it up but the valve jamed and the bar was 1.6. hen the HW came on te bar went up to 1.9. Then the CH came on the bar went up to 2.8. I need help now. I have a Vaillant ecotec plus 630 system boiler. What valves should I use.
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