Hydronic Isolation Valve Kit | 3300AB Series | Solder x FNPT

Engineered for superior durability and code compliance, the 3300AB Lead-Free Brass Solder Water Heater Isolation Valve Kit from Red-White Valve Corp. is your go-to solution for safe and efficient water heater installations. Constructed from premium lead-free brass (ASTM B927 C27450), this kit meets stringent AB1953 and NSF/ANSI/CAN 61 & 372 certifications for potable water use—delivering peace of mind with every installation.

Key Features:

• 600# WOG Rating (Non-Shock): Built to withstand high-pressure applications without compromising performance.
• Certified Lead-Free Brass Construction: Safe for drinking water systems; compliant with U.S. Drinking Water Act requirements.
• ¼ Turn Operation: Enables fast, effortless shut-off and flow control.
• Full Port Design: Maximizes flow with minimal pressure drop, ideal for high-demand systems.
• Blow-Out Proof Stem & Adjustable Packing: Ensures operational safety and long-term reliability.
• Dual End Connections: Solder end x FNPT tailpiece (ASME B1.20.1 NPT) allows versatile installation.
• Hot & Cold Designation:
  • 3301AB (Red Handle): Hot Water Applications
  • 3302AB (Blue Handle): Cold Water Applications

Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Backed by Red-White Valve Corp.’s engineering excellence, the 3300AB is a trusted solution for plumbers, contractors, and commercial specifiers seeking performance and compliance in one complete valve kit.

Order now and upgrade your water heater installations with reliable, long-lasting isolation you can trust.

D i m e n s i o n, W e i g h t

Material

*3301AB: Red, 3302AB: Blue