2.5" NPT Female Pipe x 2.5" NPSH Male Pipe Adapter DMH1515F Brass NH/NST Couplings

Brass NH/NST Couplings

the larger the hose the bigger the water flow

But it's always best to check the markings on the hydrant

1-1/2" NH-NST Female (Inlet) x 1-1/2" NH-NST (Outlet) x 1" NH-NST (Outlet)

4" NPT Female Pipe x 4" NST (NH) Male Hex Adapter

2.5" NPT Female Pipe x 2.5" NPSH Male Pipe Adapter DMH1515F Brass NH/NST CouplingsChange Threads From 2. 5" NPT Female Pipe To 2. 5" NPSH Male Threads This is purely a female to male adapter designed to change threads without reducing diameter. This adapter let's you hook your fire hose into standard pipe threads. It's one of the most popular and common way to change threads. Simply screw it on, and you're ready to go. Hook it into pumps, valves, hydrants, standpipes, & more. The NPT female can fit into NPT only. The NPSH male can