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Mend Vaillant HE 24 Home Heating Systems

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Mend Vaillant HE 24 High Water

isar he24?

My Isar HE 24 pressure is really high at 3.5. What can I do. A workman has said that as it is this high it might explode. He took out some water from a rad but a few hours later the pressure has returned.

PJAM
October 2014
Vaillant HE 24Heating, Home Heating Systems24 High Water
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