Air can enter but it can't exit
Prevents siphonage of the water trap when suction develops
RO: Supapa de admisie a aerului
Негізгі бет Ғылым және технология Air Admittance Valve (AAV) or Studor vent
Air can enter but it can't exit
Prevents siphonage of the water trap when suction develops
RO: Supapa de admisie a aerului
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