DWV Test Cap, Tube Fitting Material Wrot Copper, Fitting Connection Type C x C, Tube Size 1-1/2 in, Outside Dia. 1-5/8 in, Max. Pressure 408 psi@100 Degrees F, Temp. Range -20 Degrees to 400 Degrees F, Standards ASME B 16.29, ISO 9001 Registered Facility