Spirotherm air eliminator. Webb has the parts pros need, fast. 6% of dissolved air in the system. Spirotherm VSR400FA 4 FLGD SENIOR AIR ELIMINATOR (VSR400FA) Order online or in-store. The Spirovent® Air Eliminators, using our patented Spirotube® coalescing medium, “scrub” the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber. Enter the system flow in the box below to determine the proper Spirovent Air Eliminator in both our standard and HV models. Spirovent Jr air eliminator model VJR100 features a patented Spirotube coalescing component, which "filters out" the air from a hydronic or radiant heating system' fluid, allowing for improved performance and extending the lifespan of the heating system's components. In new The Spirovent HV (High Velocity) air eliminator was developed especially for large volume fl uid systems where higher velocities are found. , we have been developing and manufacturing products to improve water quality in the HVAC industry for almost 40 years. This replacement part is designed to help eliminate up to 100% of free air and entrained air and up to 99. Spirotherm VJR200 - 2" Spirovent Jr. 6slk w9g25u bhk1 mv jdtk9 xupeph ofitbf0 li ppw ohu