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The Jones Stephens P21150 Provent 1-1/2 inch ABS Air Vent in Black is a practical solution for secondary venting in manufactured housing and RVs. This automatic anti-siphon trap vent is designed for easy installation and reliable performance.
This Jones Stephens Provent air vent features a no-thread-seal design for easy hand tightening and installation. It must be located at least 60 inches above the trap arm. The vent allows two individually protected fixtures to be connected to the same 1-1/2 inch drain, while three or more fixtures must be drained by a 2-inch line. It is important that the unit is installed in an accessible location with free air flow and must not be placed in a sealed wall cavity. The water closet must have a main stack to the outside.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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