WATTS® 0858535 AS Series, AS-M1 Air Separator, 1 in, FNPT, 80 psi, Cast Iron, Import

WAT858535 MFG #: 0858535
  • Connection Type: FNPT
  • Domestic / Import: Import
  • Material: Cast Iron
  • Nominal Size: 1 in
  • Working Pressure: 80 psi
  • Manufacturer: Watts Water Technologies
  • Manufacturer #: 0858535
  • Series: AS Series
Series AS Air Separators are used in commercial and residential, hydronic heating applications to separate air from water in the piping system. They consist of a heavy, cast-iron body construction with a 1/2 in. female threaded connection for an expansion tank, and a 1/8 in. female threaded connection for a float vent. Series AS provides continuous purging and venting of air in the system when installed with WATTS® Model ET expansion tank and Model FV4 float-vent. Maximum Pressure: 125 psi (8.6 bar).

WATTS® Air Separator, Series: AS, 1 in Nominal, FNPT, 80 psi Working, Cast Iron, Import
  • Features
  • 1/2 in tappings on each side for fill valve piping
  • Furnished with tappings for expansion tank and air vent
  • Provides complete, purging and venting of air in the system when installed in conjunction with the WATTS® FV4M1 or Duo Vent float vents
  • 80 psi max working pressure at 275 deg F