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Two brass ball valves with red and blue handles and female threaded connections on both ends.

Red White 3420RAB Tankless Isolation Kit 3/4 Inch FNPT x FNPT

Regular price $108.82
Sale price $108.82 Regular price $0.00

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The 3420RAB provides maximum versatility with female-threaded inlet and outlet — ideal for inline replacement or new installations using all-thread pipe. Lead-free, high-pressure rated, and certified to highest standards, it ensures safe, maintenance-free tankless system operation.

  • Full-port 1/4-turn ball valve
  • Integral hose-end drain/purge port with cap
  • 200 K BTU/hr relief valve onboard; selectable up to 2.7 M BTU/hr Ferguson+5SupplyStop.com+5SupplyStop.com+5Hirsch+14RED-WHITE VALVE CORP.+14Ferguson+14
  • Blow-out stem and PTFE packing for durable sealing
  • ASME?rated 600?psi WOG strength
  • Pure lead?free brass ensures safe potable water & meets AB1953, NSF/ANSI 61 & 374
  • Full port quarter turn ball valve enables unrestricted flow and fast shut-off
  • Built in drain/purge valve and 200 K BTU/hr relief port support easy maintenance
  • Blow out proof stem with adjustable PTFE packing delivers dependable sealing
  • 600 psi WOG rating—engineered for high-pressure residential and commercial systems