Oatey® 39239 Sure-Vent® Air Admittance Valve Kit, 6 DFU With Tubular Adapter GiftsForSeason Union has NPT threads on

Union has NPT threads on both ends for creating tighter seals than straight threads

viscosity index 134

and fields

fireplaces and flues

140 degree split point for less walking & quicker starts

Oatey® 39239 Sure-Vent® Air Admittance Valve Kit, 6 DFU With Tubular Adapter GiftsForSeason Union has NPT threads onFor use as a secondary vent. Air admittance valves provide an alternative to secondary venting when utilized within the scope of model plumbing codes. Referenced standards and installation instructions. Aavs provide the ideal venting solution for island sinks, remote bathroom. 1 1 2" P trap 6 DFU with tubular adapter For use as a secondary vent Air admittance valves provide an alternative to secondary venting when utilized within the scope of model