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$234.26

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Inventory Details 3 AVAILABLE TO SHIP QTY More Arriving 8 11/15/2021

3 Available


Product details

The Apollo® Series RP 4A reduced pressure principle backflow preventer is designed to give maximum protection against backflow caused by either back-pressure or back siphonage from substances that are hazardous. The durable but economical device is easily maintained in the line with modular check cartridge assemblies that require no special tools. It consists of two independently acting spring-loaded check valves with an automatic differential relief valve located between the check valves. All testcocks are mounted at the top of the unit to assure easy access during repair and maintenance when unit is installed in tight places.

  • Maximum protection against back-pressure/back-siphonage
  • Modular check valve cartridges with easily replaced parts
  • Reversible/removable chloramine resistant silicone seat discs
  • Low pressure loss documented by independent approval agencies
  • Top-mounted test cocks for easy testing
  • Threaded testcock protectors
  • Lead-free preventer
  • SAE threaded test cocks (standard)
  • Internal sensing passage
  • Fast, reliable, economical push installation
  • Easily removable modular check valve cartridge
  • 300 Series stainless steel springs, Nitrile and nylon diaphragm, Stainless steel ball valve handles
  • Technical Specs

    SKU: 83883NL
    Model: 4ALF105T2F
    seat material: Silicone pressure rating: 175 psig
    temperature rating: 33 to 180 deg F product type: Check Valves
    type: Double, Standard product upc code: 670750060175
    nominal size: 1" material: Lead-Free Bronze
    prop65 warning: California Proposition 65 Warning, This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov series: A Series
    country of origin: US connection type: FNPT
    dimensions: 14-5/8 Inch Length x 4 Inch Height

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