WATTS® 0163801 LL40XL Temperature Pressure Relief Valve, 3/4 in, FNPT x MNPT, 75 to 150 psi, Bronze Body

976477 MFG #: 0163801
$778.50 / ea
WATTS® 0163801 LL40XL Temperature Pressure Relief Valve, 3/4 in, FNPT x MNPT, 75 to 150 psi, Bronze Body
  • Body Material: Bronze
  • Dimensions: 2.64 in W x 6.66 in H
  • Domestic/Import: Domestic
  • End Style: MNPT x FNPT
  • Nominal Size: 3/4
  • Pressure Rating: 75 to 150
  • Series: LL40
  • Temperature Rating: 210

WATTS® Temperature Pressure Relief Valve, Series LL40XL, 3/4 in Nominal Size, FNPT x MNPT, 75 to 150 psi, 210 deg F, Bronze Body, 2.64 in W x 6.66 in H

This 3/4 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 is 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 NPT male inlet and NPT female outlet connections, thermo-bonded coated thermostat, tamper resistant bonnet screws, automatic reseating feature, and test lever. The temperature relief is 210 degrees (99 degrees C) and the pressure relief is 150 PSI.

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  • Features
  • 150 psi pressure relief setting
  • 3-1/2 in thermostat probe L
  • Test lever
  • Non-mechanical seat-to-disc alignment
  • Thermostat is accurate and proven and Exclusively designed and manufactured by Watts
  • Tamper-resistant bonnet screw
  • Unique thermostat with a special thermo-bonded coating
  • The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
  • Lead free
  • Standard/Approvals: ASME rated, ANSI Z21.22 Design certified and listed by CSA, CSA Certified, Meets current FHA and ANSI Z21.22 requirements in addition to Military Specification MIL-V 136-12D, Type I
  • WARRANTY: Limited