SAFETY INSTRUCTIONThis safety alert symbol will be used in this manual to draw attention tosafety related instructions. When used, the safety alert symbol meansCAUTION: All work must be performed bypersonnel trained in the proper application, installation,and maintenance of systems in accordance with allapplicable codes and ordinances.CAUTION: Over -tightening and breakage can occurwith the use of T ® pipe joint compounds. T ®provides lubricity so that care must be exercised not toover-tighten joints. Failure to follow these instructionscould result in property damage and /or personal injury.WARNING: System uids are under pressure ortemperature can be hazardous. Be sure the pressurehas been reduced to zero and the system temperature isbelow 100°F (38°C). Failure to follow these instructionscould result in property damage and/or personal injury.Automatic Hygroscopic Air Vent for radiators38455.02508013Awww.cal omCALEFFI© Copyright 2018 CaleffiTechnical CharacteristicsConnection: 1/8” NPT maleMaterials: Body Chrome-plated brassMaximum working pressure: hot water: 150 psi (10 bar)steam: 15 psi (1 bar)Maximum working temperature: 212˚ F (100˚ C)Maximum peak temperature: 230˚ F (110˚ C)This item is designed for use in closed hydronic or steam systems. Do not use inplumbing applications. This item does not meet the low-lead plumbing standards ofU.S. and Canada.ATTENTION: BECOME ALERT!YOUR SAFETY IS INVOLVED! FAILURE TO FOLLOW THESEINSTRUCTIONS MAY RESULT IN A SAFETY HAZARD.WARNING: This product can expose you to chemicals including lead,which is known to the State of California to cause cancer and birthdefects or other reproductive harm. For more information go towww.P65Warnings.ca.gov.