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The Viessmann Packing Seal with MPN 7820301 is designed for use in various Viessmann boiler models, including VB2 and VR1 series. This seal, measuring twelve millimeters by sixteen millimeters with a length of two thousand millimeters, ensures a proper fit and optimal performance in heating applications.
This packing seal is essential for preventing leaks in your Viessmann boiler system.
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