[Air Admittance Valve_GP AAV]
Causes and solutions for sewer smell, odors, and bacterial back-flow


GP system
Offer complete water trap seal protection and backflow prevention against positive and negative pressures
in the DWV(Drain Waste Vent) system.

What is APADS
This is an air-hammer arrestor to solve problems caused by positive air transient in DWV system of building.

It is an innovative product that is integrated with a air admittance valve and solves positive & negative air pressure at the same time and maintains the perfect system balance quickly and efficiently throughout the system preventing siphonage and blowing of traps.

 * You can check out more details in the video through the YouTube link below.

☞  https://youtu.be/PfIiPKa-CbU 
     (Changes in Water Seal According to the Presence of G.P. System)