Microbubble Air Separators

Series AS-MB Microbubble Air Separator is designed for efficient separation and elimination of entrained air in hydronic heating systems. No minimum inlet/outlet piping length is required for proper operation. This series features a durable brass body construction, corrosion-resistant polyphenylsulfone (PPSU) coalescing media that withstands petroleum based cleaners, glycol anti-freeze and temperatures up to 240 degrees F and a fully serviceable design for inspection and cleaning.

Manuals - Microbubble Air Separators


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  • 1-1/4" AS-MB Microbubble Air Seperator View Specs
    • SKU: 0858548
    • Brand: Watts

    $79.95 / each

    $230.85 / box
    3 x $76.95

    In Stock! (3 Available) Ships in 24-48 Hrs
  • 1" AS-MB Microbubble Air Seperator View Specs
    • SKU: 0858547
    • Brand: Watts

    $74.95 / each

    $217.05 / box
    3 x $72.35

    In Stock! (5 Available) Ships in 24-48 Hrs
  • 1-1/4" AS-MB-FL Flanged Microbubble Air Seperator View Specs

    $103.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out