RED-WHITE VALVE CORP.  |  SKU: 30078519  |  MPN: 3430LRAB 3/4

3430LAB LF EzPress Tankless Water Heater Valve Kit

SIZE & KIT
  • EzPress Push-to-Connect Technology – Tool-free installation on PEX/CPVC lines with ASME-threaded reliability, cutting labor time by 40% vs. soldered systems.
  • Residential-to-Commercial Scalability – 200K or 500K BTU relief options for homes, cafes, or light commercial units with high-pressure demands.
  • Weatherproof Long-Body Design – Corrosion-resistant brass and extended frame simplify installations in tight outdoor/humid environments.
  • Unified AB1953 + NSF/ASME Compliance – Meets California lead-free, potable water, and industrial pressure standards in one kit.

Engineered for rapid, code-compliant installations, the 3430LAB LF Valve Kit combines EzPress push-to-connect technology with a long-body design to simplify tankless water heater integrations in residential and light commercial systems. Featuring dual BTU relief options, lead-free construction, and industrial-grade durability, this kit ensures leak-proof performance in high-pressure water, oil, or gas applications.

Key Features & Benefits

✔️ EzPress x FNPT Hybrid Connections – Tool-free push-to-connect (EzPress) on one end and ASME B1.20.1-NPT threads on the other, eliminating soldering or crimping.
✔️ Dual BTU Relief Capacity – Choose 200K BTU/hr (3430LRAB) for homes or 500K BTU/hr (3430LSAB) for small commercial systems.
✔️ 600 PSI WOG Industrial Rating – Full-port design with virgin PTFE seats ensures maximum flow and durability under extreme pressures.
✔️ Long-Body Accessibility – Extended design simplifies installation and maintenance in tight spaces or complex plumbing layouts.
✔️ AB1953 & NSF-61/372 Certified – Meets California’s lead-free mandates and North American potable water safety standards.

Technical Specifications

  • Connections: EzPress x FNPT (ASME B1.20.1-NPT)
  • Relief Valve Options:
    • 3430LRAB: 200K BTU/hr
    • 3430LSAB: 500K BTU/hr
  • Materials: Lead-free brass, PTFE seats
  • Pressure Rating: 600 PSI WOG (non-shock)
  • Operation: ¼-turn with blow-out-proof stem
  • Standards: NSF/ANSI/CAN 61, NSF-372, AB1953

Why Choose This Kit?

  • Installation Speed – EzPress technology cuts labor time by 40% compared to soldered or threaded systems.
  • Scalable Performance – Supports systems from residential tankless heaters to light commercial hydronic loops.
  • Maintenance Optimized – Integral drain/purge ports and adjustable packing extend service life with minimal downtime.
  • Corrosion Resistance – Lead-free brass withstands aggressive media, ideal for coastal or humid environments.

Ideal Applications

  • Residential tankless water heaters
  • Light commercial kitchens and laundromats
  • Hydronic heating systems with PEX or CPVC piping
  • Retrofits requiring fast, tool-free connections
  • Outdoor units exposed to weather or vibration

Built for Professional Efficiency

 Code-Compliant Design – Exceeds NSF, AB1953, and ASME standards.
 Industrial Durability – 600 PSI rating and PTFE seals handle extreme thermal cycling.
 Contractor-Approved – Pre-assembled kit ensures compatibility and reduces errors.

Engineered for Modern Plumbing – Reduces installation complexity while future-proofing system upgrades.

EzPress | Dual BTU Relief | Lead-Free

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