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Watts Whole House Water Treatment Water Softening Products
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Watts 45,000 Pwsrta Twin Alternating Water Softener System

SKU: 7100684

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Product Details

Watts 7100684

This 45k twin alternating water softener unit, model PWSRTA45K, is designed for residential and light industrial use applications. It features our PWSRTA control valve that offers twin-alternating meter initiated operation, resulting in 24/7 soft water capability. This unit uses components that are NSF 61 listed. The state-of-the-art computer programming increases efficiency and saves salt and water. The PWSRTA control valve is manufactured from high-tech materials and has been engineered and tested to perform in the most demanding environments. The exchange media is a high capacity cations polystyrene resin that combines high operating capacity with excellent chemical and physical stability for long dependable life. The resin tank features a non-corrosive fiberglass tank with a thermoplastic inner liner. The high-density polyethylene brine tank is a combination brine maker and salt storage vessel.


  • UPC 098268136258
  • Online Product ID 9695063
  • Voltage 110v
  • Backwash Flow Rate Gpm 2.70
  • Brine Tank Color Black
  • Brine Tank Size 18''x40''
  • By Pass Type Plastic - Plastic Connection
  • Control Valve Location Top Mount
  • Control Valve Style Digital
  • Control Valve Type Metered
  • Inlet Connection Size 1''
  • Inlet Connection Thread Type NPT
  • Inlet Connection Type Male Threaded
  • Lead Free yes
  • Maximum Pounds Salt Per Regen 15
  • Maximum Softening Capacity 30k Grains Cu Ft 45000
  • Mineral Tank Size 10''x54''
  • Minimum Pounds Salt Per Regen 6
  • Minimum Softening Capacity 20k Grains Cu Ft 30000
  • Outlet Connection Size 1''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Male Threaded
  • Resin Cu Ft 3
  • Salt Fill Pounds 400
  • Series PWSRTA
  • Service Flow Rate Gpm At 15 Psi Drop 14
  • Service Flow Rate Gpm At 25 Psi Drop 14
  • Softener Application Residential
  • Softener Type Twin Alternating
  • Tank Color Black
  • Tank Type Fiberglass
  • Valve Body Material Noryl

Additional information

  • One of the most reliable valve platforms in the industry
  • Resin tank features a non-corrosive fiberglass tank with a thermoplastic inner liner, brine tank is a combination brine maker and salt storage vessel and is made of tough, corrosion free, high-density polyethylene
  • Complete whole house water treatment reduces sediment and iron in addition to water softening
  • Exchange media is a high capacity cations polystyrene resin that combines high operating capacity with excellent chemical and physical stability for long dependable life

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