3421LAB Lead Free Brass Threaded Tankless Water Heater Valve Kit

Extended Reach Design for Demanding Tankless Installations

PROFESSIONAL-GRADE SOLUTION FOR TIGHT SPACES

✔ Extended body length reaches where standard valves can't
✔ Threaded FNPT×FNPT connections for secure, solder-free installation
✔ 600# WOG rated lead-free brass (NSF/ANSI/CAN 61 & 372 certified)

KEY FEATURES

• 🛠️ Long Body Advantage
  • Extra reach simplifies installations in confined spaces
  • Full-port design maintains maximum flow capacity (0.73" diameter)
  • Lead-free brass construction (ASTM B927 C27450)
• 🔥 Hot Water Optimized
  • Red handle ensures proper hot-side identification
  • Virgin PTFE seats for smooth ¼-turn operation
  • Blow-proof stem with adjustable packing nut
• ⚡ Complete System Ready
  • 3/4" relief valve port (choose capacity):
  • 200K BTU/hr (Standard)
  • 500K BTU/hr (High Capacity)
  • 2.7M BTU/hr (Commercial Grade)
  • Integrated drain/purge valve with protective cap

TECH SPECS

• Connection: FNPT × FNPT (ASME B1.20.1 compliant)
• Pressure Rating: 600 PSI WOG (water, oil, gas)
• Operation: ¼-turn ball valve
• Certifications: AB1953, NSF-61, NSF-372

WHY PROFESSIONALS CHOOSE THIS VALVE

• Solves clearance challenges in compact installations
• Threaded connections eliminate soldering requirements
• Maintains full flow despite extended body design
• All-in-one includes relief valve + drain ports

Ideal For:

• Tight-space tankless water heater installations
• Commercial retrofit projects
• High-efficiency boiler systems

Order Note: Specify required BTU relief capacity

Di m e n s i o n , We i g h t

Material