RED-WHITE VALVE CORP.  |  SKU: 30078515  |  MPN: 3400LRAB 3/4

Ball Valve with Drain & Relief Port | 3400LAB Series | Long Body | Solder × FNPT

$216.50
  • Lead-Free Brass Construction – Certified to NSF/ANSI/CAN 61 & 372 for potable water applications
  • Long Body Design – Extended valve length provides added clearance for easier service and installation access
  • Hot-Side Configuration – Red handle valve for hot water tankless installations
  • Full-Port Flow – Allows maximum water flow with minimal pressure loss
  • Integrated Relief & Drain Ports – Built-in ¾" relief connection and hose-end drain simplify maintenance and testing

Ball Valve with Drain & Relief Port | 3400LAB Series | Long Body | Solder × FNPT

The 3400LAB Lead-Free Brass Long Body Tankless Water Heater Valve provides added clearance for easier service in tight or recessed installs. It features a solder × FNPT tailpiece, full-port flow path, and integral drain/purge and relief ports for efficient maintenance and safety.

Built for reliability, the 3400LAB is rated 600# WOG (non-shock), uses lead-free brass with PTFE seats, and includes an adjustable packing and blow-out-proof stem. Certified to AB1953 and NSF/ANSI/CAN 61 & 372 for potable applications.

Key Features

  • Body Type: Long Body for added service clearance (extended length)
  • Handle/Side: Hot side only (red handle)
  • Connection: Solder × FNPT tailpiece (ASME B1.20.1-NPT)
  • Pressure Rating: 600# WOG (non-shock)
  • Operation: ¼-turn, full-port ball valve
  • Materials: Lead-free brass body and stem; PTFE seats; EPDM O-rings
  • Relief Port: Integral ¾″ connection
  • Drain/Purge: Integral hose-end drain with cap
  • Stem Design: Blow-out-proof; Packing: Adjustable

Compatible Relief Valve Options

  • 3400LRAB: 200K BTU/hr
  • 3400LSAB: 500K BTU/hr
  • 3400LTAB: 2.7M BTU/hr

Dimensions & Weight

Size Φ
[in]
ΦSC
[in]
ΦS
[in]
ΦSL
[in]
ΦP
[in]
A*
[in]
B
[in]
H
[in]
Wt.*
[lb]
3/4″ 3/4-14 NPT 3/4-14 NPT 0.877–0.881 0.50 0.73 6.45 / 4.28 2.35 1.66 1.89 / 1.64

3401LAB (Hot) / 3402AB (Cold reference for figure only)

Material Composition

Part Material Specification
Body Lead-Free Brass ASTM B927 C27450
Fixed End Lead-Free Brass ASTM B927 C27450
Ball Lead-Free Brass / Cr-plated ASTM B927 C27450
Seat PTFE PTFE
Stem Lead-Free Brass ASTM B927 C27450
Packing Ring PTFE PTFE
Packing Nut Brass ASTM B124 C37700
T-Handle Aluminum ASTM B85
Handle Nut Steel / Zn-plated ASTM A36
Handle Screw Steel / Zn-plated ASTM A36
Handle Aluminum ASTM B85
Union Nut Brass ASTM B283 C37700
Union Lead-Free Brass ASTM B927 C27450
O-Ring EPDM Perox NSF Approved
Cap Retainer Rubber
Drain Cap Brass ASTM B283 C37700
Drain Gasket EPDM Perox NSF Approved