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Liquid Boiler Leak Sealant, 1 Qt. Features: <ul style="margin-top:0px; padding-top: 5px; padding-bottom: 5px;"><li>Seals boiler and circulating hot water system leaks</li><li>Non-freezing, odorless, will not harm seals</li><li>Just add to boiler water and run system</li><li>Liquid plug will seek out the leak and plug it</li><li>No flush necessary.</li></ul>

Liquid Plug&#8482; Liquid Boiler Leak Sealant, 1 Qt.

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ComStar® 1 Quart Liquid Plug Liquid Leak Sealant Seals Leak in Boiler & Hot Water Systems - Pkg Qty 24