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Excluding HI, AK & Canada, and products marked Special Handling, Free Shipping on qualified orders over $599! *Some Items Excluded*
Excluding HI, AK & Canada, and products marked Special Handling, Free Shipping on qualified orders over $599! *Some Items Excluded*

Viessmann 21.25 gallon volume expansion tank with mounting hardware for solar closed loop systems

Original price $594.76 - Original price $594.76
Original price
$594.76
$594.76 - $594.76
Current price $594.76

This vessel contains air, as well as water from the central heating system. As the water heats up in the central heating system, it expands within this tank. Acting like a spring, the air that is present in the vessel compresses. In this way, it absorbs the extra pressure, helping to keep the system stab

SKU 7248 245
Brand Viessmann
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