Spirothermmanufactures air eliminators for vertical installation in light commercial and residential hydronic systems. A patented coalescing medium scrubs out 100 percent of the free air and entrained air, and up to 99.6 percent of dissolved air in the system, reducing the risk of corrosion. The Spirovent® Vertical Junior is available in 3/4 inch and 1 inch NPT female.

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