WATTS® 0163805 LL40XL Automatic Re-Seating Temperature and Pressure Relief Valve, 1 in, MNPT x FNPT, Bronze Body

1073050 MFG #: 0163805
$602.50 / ea

WATTS® Temperature and Pressure Relief Valve, Automatic Re-Seating, Series: LL40XL, 1 in Nominal Size, MNPT x FNPT, 210 deg F, Media: Water, Bronze Body, 2.81 in W x 7.71 in H

This 1 in bronze automatic reseating temperature and pressure relief valve with a 1-21/32 in extended shank and 3-1/2 in thermostat is installed directly in tank tapings and used in commercial applications to provide automatic temperature and pressure protection for hot water supply tanks and hot water heaters. It features a bronze body with MNPT inlet and FNPT outlet connections, thermo-bonded coated thermostat, tamper resistant bonnet screws, automatic reseating feature and test lever. The temperature relief is 210 deg F and the pressure relief is 150 psi.

  • Features
  • Unique thermostat with special thermo-bonded coating
  • Tamper resistant bonnet screws
  • 3 in L thermostat
  • Non-mechanical seat-to-disc alignment
  • Thermostat is accurate and proven
  • Exclusively designed by WATTS®
  • The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
  • Extended shank
  • 150 psi standard pressure settings
  • Standard/Approvals: ANSI Z21.22, ASME Specified, CSA Certified, MIL-V 136-12D Type I