This Everflow Boiler Air Valve is the Ideal Choice for Air Removal in Your Hydronic Heating Applications.
Manufactured With the Highest Quality Materials and Workmanship, it Will Serve Your Plumbing Needs Faithfully.FIP Spiral Air Eliminator Valve for Hydronic Heating Applications 1" WARNING: Handling of this product will expose you to lead, a chemical known to the State of California to cause [cancer, and] birth defects or other reproductive harm. It Features a Solid Brass Body, Universal Fit, Advanced Design, Quiet Operation, and Extended Service Life.