WATTS® 0556031 LFN36M1 Low Profile Vacuum Relief Valve, 3/4 in Nominal, MNPT End Style, 15 psi Pressure, 15 cfm Flow Rate, Brass Body, Import

WALFN36I MFG #: LFN36M1 3/4"
  • Body Material: Brass
  • Country of Origin: CN
  • Dimensions: 2 in H x 2 in W
  • Domestic/Import: Import
  • End Style: MNPT
  • Flow Rate: 15 cfm
  • Manufacturer Name: Watts Water Technologies
  • Nominal Size: 3/4 in
  • Series: LFN36M1, N36
  • Softgoods Material: Buna-N® O-Ring/Silicon Disc
  • Features and More


  • 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 one quarter of one percent (0.25%) of lead by weight


  • Water Heater and Tank


  • ANSI Z21.22
  • CSA certified
  • PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.