RED-WHITE VALVE CORP.  |  SKU: 30078123  |  MPN: 3300AB 3/4

3300AB LF Brass Solder Water Heater Isolation Valve Kit

Title
  • Dual Certified Safety: Meets both AB1953 and NSF-61/372 standards for lead-free water systems
  • Maintenance-Free Design: Virgin PTFE seats and adjustable packing ensure long-term reliability
  • Hot/Cold Specific Models: Color-coded handles (red/blue) for instant visual identification

Engineered with high-quality lead-free brass (LF Brass) to meet AB1953, NSF-61 & NSF-372 compliance standards, ensuring safe drinking water delivery. Certified for potable water systems with NSF/ANSI/CAN 61 & 372 certifications.

Professional-Grade Performance Features:

  • 600# WOG rating (non-shock conditions) for reliable pressure handling
  • Full-port design maximizes water flow with minimal pressure drop
  • ¼-turn operation for quick and easy shutoff
  • Blow-out proof stem enhances safety and durability
  • Adjustable packing for maintenance-free performance
  • Virgin PTFE seats ensure smooth operation and long-term sealing integrity

Superior Connection System:

  • Solder end x FNPT tailpiece (ASME B1.20.1-NPT compliant)
  • Designed for water heater isolation applications

Available Configurations:

  • 3301AB: Hot water valve operation (distinctive red handle)
  • 3302AB: Cold water valve operation (identifiable blue handle)

Ideal For:

✔ Professional plumbing installations
✔ Water heater service and maintenance
✔ Potable water systems requiring certified lead-free components
✔ Applications demanding reliable shut-off valves

Technical Specifications:

  • Material: Lead-Free DZR Brass
  • Pressure Rating: 600 PSI WOG
  • Temperature Range: -20°F to 400°F (-29°C to 204°C)
  • Standards: ASME B1.20.1, AB1953, NSF-61, NSF-372
  • Operation: 90° quarter-turn

Package Includes:

Complete isolation valve kit ready for professional installation

Why Choose Our Valve Kit?

This professional-grade isolation valve combines regulatory compliance with robust engineering. The lead-free brass construction and virgin PTFE seats deliver exceptional corrosion resistance and durability, while the full-port design ensures unrestricted flow when open. Perfect for plumbers and contractors who demand reliable performance in water heater applications.

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

Size Φ [in] S [in] A [in] H [in] P [in] Wt. [lb]
¾" ¾ - 14 NPT 0.877-0.881 3.77 1.66 0.73 0.91

M a t e r i a l

Part Material Specification
1 Body Lead Free Brass | ASTM B927 C27450
2 Fixed end Lead Free Brass | ASTM B927 C27450
3 Ball Lead Free Brass / Cr plated | ASTM B927 C27450
4 Seat PTFE | PTFE
5 Stem Lead Free Brass | ASTM B927 C27450
6 Packing ring PTFE | PTFE
7 Packing nut Brass | ASTM B283 C37700
8 T-handle * Aluminum | ASTM B85
9 Handle nut Steel /Zn plated | ASTM A36
10 Union nut Brass | ASTM B283 C37700
11 Union Lead Free Brass | ASTM B927 C27450
12 O-ring EPDM Perox | NSF approved
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