WATTS® 0556031 LFN36 Vacuum Relief Valve, 3/4 in, MNPT, 15 psi, 15 cfm, Brass Body

1225507 MFG #: 0556031
$173.50 / ea
  • Body Material: Brass
  • Dimensions: 2 in H x 2 in W
  • End Style: MNPT
  • Flow Rate: 15
  • Nominal Size: 3/4
  • Pressure Rating: 15
  • Series: LFN36M1
  • Softgoods Material: Buna-N® O-Ring/Silicon Disc
  • Temperature Rating: 250
  • Type: Low Profile
  • Domestic/Import: Import

WATTS® Vacuum Relief Valve, Series: LFN36, 3/4 in Nominal, MNPT, 15 psi, 250 deg F, 15 cfm, Brass Body, Buna-N® O-Ring/Silicon Disc, 2 in H x 2 in W

Series LFN36 Lead Free* Water Service Vacuum Relief Valves are used in water heater/tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water heater/tank equipment. It consists of a Lead Free* brass body construction with NPT male inlet connection, and a protective cap. Series LFN36 has a low profile design, is tested and rated to ANSI Z21.22, and is CSA certified. It is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks, table top heaters, jacketed steam kettles, unit heaters, low pressure steam systems, and steam coil heaters. Maximum Working Pressure: 200psi (13.8 bar), Maximum Steam Pressure: 15psi (103 kPa).

  • Features
  • Lead free
  • Low profile
  • Protective cap
  • Suitable for low pressure steam and water service
  • Jacketed steam kettles, table top heaters, unit heaters, low pressure steam systems, steam coil heaters, domestic water heaters and supply tanks
  • The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
  • Standard/Approvals: ANSI Z21.22, CSA certified