Pentair PENTEK GRO-2550 Installation And Operation Manual

Pentair PENTEK GRO-2550 Installation And Operation Manual

4-stage reverse osmosis water filtration system
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PENTEK GRO-2550 4-STAGE REVERSE OSMOSIS
WATER FILTRATION SYSTEM
INSTALLATION AND OPERATION MANUAL
©2016 Pentair Residential Filtration, LLC
waterpurification.pentair.com

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Summary of Contents for Pentair PENTEK GRO-2550

  • Page 1 PENTEK GRO-2550 4-STAGE REVERSE OSMOSIS WATER FILTRATION SYSTEM INSTALLATION AND OPERATION MANUAL ©2016 Pentair Residential Filtration, LLC waterpurification.pentair.com...
  • Page 2: Specifications

    • Cone-shaped grinding wheel • 1-1⁄4" hole saw or drill bit • Safety mask NOTE: All tools may not be necessary for installation. Read installation procedures before starting to determine what tools are necessary. 2 • PENTEK GRO-2550 Installation and Operation Manual...
  • Page 3: Installation

    6-12 months to (D) Install the water supply adapter into the cold water line. avoid chlorine bypass. See Warranty for disclaimers and limitations that apply to the GRO-50EN element. PENTEK GRO-2550 Installation and Operation Manual • 3...
  • Page 4: Selecting The Faucet Location

    4. Installing the Drain Clamp NOTE: If you have a single-basin sink with a disposal unit, call Technical Support for options. NOTE: Before installing the drain clamp, check the drainpipes under the sink 4 • PENTEK GRO-2550 Installation and Operation Manual...
  • Page 5 SHUT OFF VALVE TO TANK 7 1/2” FLOW RESTRICTOR MEMBRANE 15” (minimum) to oor INLET WATER TO DRAIN BACK VIEW TUBING CONNECTION DIAGRAM 1 1/2” (minimum) to oor CARBON SEDIMENT CARTRIDGE CARTRIDGE PENTEK GRO-2550 Installation and Operation Manual • 5...
  • Page 6: Faucet Operation

    Push Up from the tank, the system automatically starts the cycle of replacing the water and then stops water production when the tank is full. Closed Tank Valve Open Tank Valve Counter- clockwise 6 • PENTEK GRO-2550 Installation and Operation Manual...
  • Page 7: Testing Your Reverse Osmosis System

    6 months to verify that your system is performing satisfactorily. SAMPLING INSTRUCTIONS: Sampling instructions are included with the Total Dissolved Solids (TDS) Test Kit. Total Dissolved Solids Test Kit PENTEK GRO-2550 Installation and Operation Manual • 7...
  • Page 8: Optional Installation

    10. Turn off the drinking water faucet. 11. Turn on water to RO system at cold water supply. 12. Turn on icemaker and open shut-off valve. Consult manufacturer’s instructions. 13. Check for leaks and tighten connections if necessary. 8 • PENTEK GRO-2550 Installation and Operation Manual...
  • Page 9: Replacing The Pre-Filter And Post-Filter Cartridges

    Check to see if tube is in place by trying to gently pull tube out. 3/8" Faucet Permeate Tube 3/8" Drain Tube 1/4" Feed Tube 1/4" Faucet Drain Tube Carton (2nd Stage) Prefilter 1/4" Storage Sediment Elstage Prefilter Tank Permeate Tube PENTEK GRO-2550 Installation and Operation Manual • 9...
  • Page 10: Replacing The 3Rd Stage Reverse Osmosis Membrane

    Check for leaks every hour. As pressure builds in tank, leaks may occur that did not exist directly after installation. When the RO element and cartridges have been changed, follow the system start-up procedure in Step 11: System Start-up. 10 • PENTEK GRO-2550 Installation and Operation Manual...
  • Page 11: Troubleshooting Guide

    TDS. Reduced production Slow or no product water flow usually indicates either a clogged pre-filter or an exhausted membrane. First, replace the pre-filters. If the production rate is not improved, replace membrane. PENTEK GRO-2550 Installation and Operation Manual • 11...
  • Page 12: Parts Guide

    PARTS GUIDE For replacement parts, contact your nearest Water Filter dealer or call 800.279.9404 12 • PENTEK GRO-2550 Installation and Operation Manual...
  • Page 13 RO STORAGE TANK 244982 INSTALLATION KIT, GRO SYSTEM BPRO-50-S18 CLIP, DOUBLE 255521-43 STAGE 4, GAC POST FILTER 244790 TEE, 1/4" NPT X 1/4" TUBING QUICK CONNECT 244787 VALVE, AUTO SHUT-OFF Buyer Seller Date PENTEK GRO-2550 Installation and Operation Manual • 13...
  • Page 14 14 • PENTEK GRO-2550 Installation and Operation Manual...
  • Page 15 PENTEK GRO-2550 Installation and Operation Manual • 15...
  • Page 16 For a detailed list of where Pentair trademarks are registered, please visit waterpurification.pentair.com/brands. § Pentair trademarks and logos are owned by Pentair plc or its affiliates. Third party registered and unregistered trademarks and logos are the property of their respective owners.

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