• High performance venting - high capacity vent for large hydronic system risers or buffer tank applications High discharge pressure - large capacity internal venting mechanism releases large quantities of air up to a pressure of 150 psi Flexible connection installation - dual threaded connection 3/4 in MNPT or 1/2 in FNPT Anti-rotation/anti-vibration pinned float, creates space between float and air vent wall to prevent float hang-up from debris Robust stainless steel float linkages - corrosion-resistant linkage for years of smooth trouble-free operation Simple servicing - service in pipe by simply removing the upper cover for easy access to moving parts that control air venting

DISCALAIR® offers industry leading features and options such as a stainless steel float linkage, smooth polished needle, pinned float, service in pipe and optional hygroscopic safety cap. Additionally, DISCALAIR® features a dual male and female threaded connection for installation flexibility. The DISCALAIR® air vent from Caleffi is part of a complete line of innovative air vents meeting the needs of the smallest residential jobs to the largest commercial projects. Caleffi guaranteed.