Valterra Double RV Waste Valve Inner Diameter Dimensions
are pipe diameters ID or OD? | For the Double RV Waste Valves - Sewer Wye - 3" Fixed Hub and 1-1/2" Rotating Hub # T38 the internal dimension of the black tank hub is 3.5" to allow for a 3" pipe to slide into it and the internal dimension of...
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