WATTS® 0121415 LF40XL Automatic Re-Seating Temperature and Pressure Relief Valve, 3/4 in, MNPT x FNPT

1299469 MFG #: 0121415
$437.01 / ea

WATTS® Temperature and Pressure Relief Valve, Automatic Re-Seating, Series: LF40XL, 3/4 in Nominal Size, MNPT x FNPT, 210 deg F, Media: Water, 2-5/8 in W x 5-5/8 in H

This 3/4 in lead free automatic reseating temperature and pressure relief valve with a 5 in thermostat is installed directly in tank tapings and is used in commercial applications to provide automatic temperature and pressure protection for hot water supply tanks and hot water heaters. It features lead free construction with MNPT inlet and FNPT outlet connections, thermo-bonded coated thermostat, tamper resistant bonnet screws, automatic reseating feature and test lever. The pressure relief is 150 psi and the temperature relief is 210 deg F.

  • Features
  • Lead free construction
  • Non-mechanical seat-to-disc alignment
  • Tamper resistant bonnet screws
  • 5 in L thermostat
  • Unique thermostat with special thermo-bonded coating
  • 205000 Btu/hr steam rating
  • The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
  • 150 psi standard pressure settings
  • Standard/Approvals: ANSI Z21.22, ASME Specified, CSA Certified, FM Approved, HV Certified, MIL-V-136-12D Type I, NB Certified
  • WARRANTY: 1 Year