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- Float type automatic air vent designed to vent air from water at high points in plumbing system piping. Example applications include risers, domestic hot water storage tanks and recirculation system pump inlets. The automatic air vent is installed in the vertical position in parts of the system where a concentration of air pockets is to be expected. It is supplied complete with a safety hygroscopic cap that automatically closes the air discharge in case of contact with water.
NA502640A PLUMBVENT™ 1/2" Automatic Air Vent with Cap, MNPT, 150 Psi, 240 Degrees F, Low Lead DZR Brass
- Operating mechanism: The function of this device is guaranteed by an operating mechanism specially designed to vent when system pressure is high.
- Antivibration and anti-rotation system on the float: This guarantees that in the rest position the air relief valve will not be affected by any movement of the float.
- The automatic air vent comes complete with a safety hygroscopic cap that automatically closes the air discharge in case of contact with water.
- This vent is certified by ICC-ES to be in compliance with the International Plumbing Code (IPC), International Residential Code (IRC), Uniform Plumbing Code (UPC), National Plumbing Code of Canada (NPC).
- It is certified by ICC-ES to be in compliance with standard NSF/ANSI/CAN 372-2011, California Health and Safety Code 116875 S.3874 (AB1953), and Vermont S152.
- Connection TypeMNPTMaterialDZR BrassPressure Rating150 psiTemperature Rating240 degFDimensions3-5/8 in H x 1-9/16 in WEnd StyleMNPTFloat MaterialMoplen EP548SManufacturerCaleffiManufacturer #NA502640AMediaWaterNominal Size1/2 inSoftgoods MaterialEPDMTypeAutomatic