Caleffi 502043A MINICAL™ Automatic Air Vent with Hygroscopic Anti-Drip Cap, 1/2" MNPT Tool_Ratchet Wrench inflate the bladder and run

inflate the bladder and run your test

NSF/ANSI/CAN 61 (180°F/82°C Commercial Hot)

They use the thinnest cutter wheels made of high quality tool steel to make cutting easier and faster

Mild Steel

Our blade features a new 8TPI design

Caleffi 502043A MINICAL™ Automatic Air Vent with Hygroscopic Anti-Drip Cap, 1/2" MNPT Tool_Ratchet Wrench inflate the bladder and runCaleffi 502043A MINICAL Automatic Air Vent with Hygroscopic Anti Drip Cap, 1 2" MNPT Automatic air vents are designed to remove trapped air that accumulates in heating and air conditioning systems automatically. Air removal enhances performance and life of a system by reducing the affects of: corrosion due to the oxygen pockets of air trapped in the heating emitters cavitation in the circulation pumps PERFORMANCE Medium: Water and glycol solution Max.