Aluminum 2 1/2" Female NPSH to 1 1/2" Male NH Female Size_2 Inch If possible it is best

If possible it is best to measure the MALE fitting

always try to measure the male coupling

The horizontal back flush is the preferred strainer which allows the pvc line to be back flushed

Dry hydrant sizes are determined by your local fire department

Hydrant Wrench Specifications

Aluminum 2 1/2" Female NPSH to 1 1/2" Male NH Female Size_2 Inch If possible it is bestUSDA Forestry Service fire hose reducer feature aluminum coupling with a 600 PSI test pressure. Meet Forest Service Spec 5100 107. Female 2 1 2 inch NPSH, 11 1 2 threads per inch and male 1 1 2 inch NH, 9 threads per inch. Meets National Fire Equipment System (NFES #2229). Water Handling Accessories flow rates are 100 PSI flowing pressure. Fire hose reducer female adapters comes with a gasket. National Stock Number (NSN 4210 01 081 0419) This Wildland