ABS Pro-Vent Anti-Siphon Valve – 1-1/2" for Mobile Homes and RV's
Help prevent sewer gas from entering your home or RV while properly venting your drain line with this 1-1/2" ABS Pro-Vent Anti-Siphon Valve. Commonly known as a cheater vent, this in-line vent provides an effective alternative to traditional secondary stack venting.
This spring-loaded valve opens under negative pressure to allow air into the system and closes under positive pressure to block sewer gases, helping maintain proper drain flow and odor control.
Key Features:
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Size: 1-1/2"
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ABS construction for durability and corrosion resistance
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Helps prevent sewer gas from entering living spaces
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Spring-loaded design opens with negative pressure and closes with positive pressure
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Push-to-connect installation for ease and speed
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Can replace secondary stack venting in many applications
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NSF-24 listed for use in recreational vehicles (RVs)
Designed for reliable performance, this valve is ideal for venting drain lines where traditional venting is impractical, including mobile homes, RVs, and remodeling projects. Manufactured to meet quality standards associated with Oatey.