Spirotherm, Inc. manufactures the industry leading high efficiency Spirovent® coalescing type air elimination products and its extended line of Spirotrap® dirt separators. A wholly owned subsidiary of Spiro Enterprises, Inc., we have been developing and manufacturing products to improve water quality in the HVAC industry for almost 40 years. Sizes from 3/4” to 36” pipe, flows to over 30,000 GPM for residential, commercial, industrial, and institutional applications.They are headquartered in Bloomingdale, IL and all products are Made in America!

  • Combination Air & Dirt Separators with Magnet
  • Air Elimination
  • Air Vents
  • Hydraulic Separators which include Air & Dirt Separators with Magnet
  • Residential and Commercial Applications
  • 3/4″ through custom made 36” models
  • Threaded, Sweat, Press and Commercial ASME flanges available

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