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

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