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Pentek RO-3500 Reverse Osmosis System

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Pentek RO-3500 Reverse Osmosis System

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  • Maximum Hardness: 10 gpg (171 mg/l) If the hardness of your water is above 10 gpg (171mg/L), lime scale will build up rapidly on the membrane. Scale buildup will plug the membrane and make the system ineffective.
  • We do not recommend these reverse osmosis systems be used with water in excess of 10 gpg (171 mg/L) hardness, unless the water is softened prior to the reverse osmosis system.
  • Chlorine In Water Supply: less than 2 ppm
  • Genuine OEM Product
Reduces the following contaminants:
  • 98.90% of Arsenic
  • 90.70% of Barium
  • 97.30% of Cadmium
  • 92.80% of Chromium (III / Trivalent)
  • 86.60% of Chromium (VI / Hexavalent)
  • 99.90% of Copper
  • 99.99% of Cysts
  • 98.70% of Lead
  • 80.70% of Nitrates / Nitrites
  • 98.00% of Phosphates
  • 80% of Radium
  • 97.50% of Selenium
  • 90.20% of Total Dissolved Solids (TDS)
  • 99.70% of Turbidity
Used In Brands Pentek
Manufacturer's Id RO-3500
UPC 051678610138
Actual Size (in) 13 4/5 inches (width) x 12 3/4 inches (height) x 4 3/4 inhes
Actual Size (cm) 34.93 x 31.34 x 12.07
Filter Life (months) 8 months
Operating Pressure (psi) 40 - 100
Operating Temperature (°F) 40 - 100
Operating Temperature (°C) 4.4 - 37.8
Tank Dimensions 11.3-inches D x 16.75-inches H (287 mm x 425 mm) (with valve)
Additional Information Tank Capacity: 1.93.2 gal. (7.212.1L) (Depending on water pressure), Turbidity: 1 NTU Max., Tank Weight: (full) 40 lbs. (18.2 kg.) (Depending on water pressure), Water Supply pH Limits: 4-11, Sulfide, Iron and Manganese: less than 0.01 ppm, Total Dissolve
  • Pentek RO-3500 Reverse Osmosis System Replacement Filters:
  • Stage 1: The D-15 is a 5 Micron Carbon Filter used in the first stage. It screens out dirt, sediment, sand, chlorine taste and odor. The Stage 1 filter should be changed every 3 months.

  • Stage 2: The D-20 Carbon Drinking Water Filter is used in the second stage. It reduces chlorine taste and odor that may be in your water supply. The Stage 2 filter should be changed every 4 months.

  • Stage 3: The ROM-230TN RO Membrane goes in the third stage. It reduces dissolved substances, including copper, lead, and many others that may be in your water supply. The Stage 3 RO membrane should be changed every 2 years.
  • Pentek RO-3500 Reverse Osmosis System Parts & Accessories:
  • Pentek RO-3500 Wrench: SW-5. Helps to unscrew the filter housings.
  • Pentek RO-3500 Membrane Housing O-Ring: OR-233. The o-rings should be replaced every filter change.
  • Pentek RO-3500 Brine O-Ring: OR-033. The o-rings should be cleaned and lubricated with food grade silicon lubricant every filter change.
  • Pentek RO-3500 O-Ring Lubricant: OR-LUBRICANT-LG. O-Rings should be greased on every filter change with food-grade o-ring lubricant.
  • Pentek RO-3500 RO Tank: RO-T25-P. Replace tank when needed.
  • Pentek RO-3500 RO Tank Pressure Gauge: TPG-100. Monitor tank pressure to keep reverse osmosis system running optimally.
  • Pentek RO-3500 Replacement Housing Sump: 153126 Sump. Replace sumps when needed.
  • Pentek RO-3500 Replacement Faucet: WLF-RO. Replace faucet when needed.
  • Pentek RO3500 Reverse Osmosis System Water Filter Change Intervals:
  • The filter change interval will vary due to your water quality and the amount of water used.