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THeaded valve


  • Locke Part #: M1923
  • Mfg. Part #: JBSPT-300
  • Manufacturer: JB Industries

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  • Air admittance valves (AAVs) are one way valves that allow air in, to vent or equalize pressure in waste pipes, without allowing gases, odors, or liquid out. Ayrlett brand
  • AAVs have been tested by an independent U.S. lab 500,000 cycles, in temperatures ranging from -40 to 150 F, without a single failure.