Bridge your hydrant or discharge to LDH fast—with no threading, no tools, and no wasted time. The Hy-Conn HP4NH4ST gives you a direct, quick-connect transition from a 4” NH-threaded outlet to a 4” Storz supply line. Built for speed, this adapter is ideal for departments using Storz LDH for rapid water delivery.

Crafted from heavy-duty 6061-T6 anodized aluminum and finished with corrosion-resistant coatings, this coupling delivers uncompromising performance on the fireground.

Key Features

• Threadless Connection – Push-to-connect design for instant deployment
• 4" NH to 4" Storz – Compatible with standard hydrants and LDH setups
• Rugged Construction – 6061-T6 aluminum with black hard anodized + Chemfilm finish
• Rated to 250 PSI – Handles demanding high-volume water operations
• Storz Side Locking Lugs – Secure, leak-free connection for supply lines

Specs