WALF3L150I MFG #: 0556034
  • Brand: Watts®
  • Applicable Standard: CSA (Canada and US)
  • Application: Commercial, Industrial, Residential
  • Pressure Rating: 150 psi
This 3/4 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters. It consists of a lead free body construction with 3/4 inch NPT threaded male inlet and 1/2 inch NPT threaded female (drain) outlet, test lever, and stainless steel spring. It is ASME rated. The pressure relief is set at 150 psi (10.3 bar).
  • Features and More


  • Relieves Excessive Pressure on Storage Tanks
  • Relieves Excessive Pressure on Tankless Water Heaters
  • Lead-Free


    Test Lever