PENTAIR USH-FF-SG-SP-4 10 Inch Undersink Housing with Integrated Mounting Bracket User Manual

June 9, 2024
Pentair

USH-FF-SG-SP-4 10 Inch Undersink Housing with Integrated Mounting Bracket
User Manual

USH-FF-SG-SP-4 10 Inch Undersink Housing with Integrated Mounting

Bracket

Tools and Fittings Required

  • Pencil
  • File
  • Phillips screwdriver
  • Pipe cutter or hacksaw

Parts Included

  • Filter housing assembly with built-in mounting bracket and quick-connect fittings
  • O-ring
  • 3/8-inch tubing
  • QC Elbows
  • Filter housing wrench
  • Mounting screws
  • Silicone lubricant
  • Cartridge change reminder

PRECAUTIONS

WARNING Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
CAUTION Filter must be protected against freezing, which can cause cracking of the filter and water leakage.
CAUTION The rubber O-ring provides the water-tight seal between the cap and the bottom of the housing. It is important that the O-ring be properly seated in the groove below the threads of the housing or a water leak could occur.
CAUTION Because of the product’s limited service life and to prevent costly repairs or possible water damage, we strongly recommend that the bottom of all opaque plastic housings be replaced every ten years. If the bottom of your housing has been in use for longer than this period, it should be replaced immediately. Date the bottom of any new or replacement housing to indicate the next recommended replacement date.

OPERATING SPECIFICATIONS

Pressure Range: 25–125 psi
Temperature Range: 40°F–100°F

NOTES:

  • For cold water use only.
  • The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Ask your local water municipality for a copy of their water analysis, or have your water tested by a reputable water testing lab.
  • Do not install where system will be exposed to direct sunlight.
  • Filter cartridge life varies depending on filter type, usage, and water conditions.
  • The replacement filter cartridge used with this system has a limited service life. Changes in taste, odor, or flow of the water being filtered indicate that the cartridge should be replaced.
  • Use only Pentair ® Omnifilter ® replacement cartridges.
  • This installation must comply with all applicable state and local regulations.
  • Use only plumber’s tape without adhesive backing to seal joints. Do not use pipe compound (“pipe dope”), sticks, or similar compounds with this unit; they contain petroleum derivatives which will cause crazing and cracking of the plastic in the filter housing.
  • Use only soap and water to clean filter housing and components.
  • Do not use aerosol sprays (bug spray, cleaning fluids, etc.) near the filter. They contain organic solvents which will cause crazing and cracking of the plastic in the filter housing. • After prolonged periods of non-use, such as a vacation, it is recommended that the system be flushed thoroughly. Let water run for 5-6 minutes before using.
  • Do not use a torch near the unit.
  • Some harmless bacteria may attack cellulose media cartridges. If your cartridge seems to disintegrate or develops a musty or moldy odor, switch to a synthetic media cartridge or consult the manufacturer.
  • Wear safety glasses during installation.

For further operating, installation, maintenance, parts or assistance: Call Pentair Customer Service at 800.279.9404

INSTALLATION INSTRUCTIONS

NOTES:

  • For standard undersink installation on 3/8-inch cold water line (copper or PVC pipe).
  • Please read all instructions, specifications, and precautions before installing and using your filter system.
  • Install filter cartridge in filter housing according to the filter cartridge replacement instructions (below) before proceeding with installation.
  • There must be a shut-off valve ahead of the filter.
  • Numbered diagrams correspond with numbered steps.

Installation

  1.  If filter is unassembled: Make sure O-ring is clean. Remove silicone lubricant from parts bag. (A) Lubricate O-ring with silicone lubricant and press into O-ring groove at bottom of housing threads. Insert the cartridge into housing and screw on cap with built-in mounting bracket. Hand-tighten only, do not use wrench.

  2. (A) Turn off cold water supply and open nearest cold water faucet to release pressure in pipes before starting installation. Place a tray or towels under the cold water line to catch excess water. (B) Select location under sink where filter is to be mounted. Use mounting bracket as a template to mark screw locations. Mount filter in marked location using mounting bracket. NOTE: (C) Allow 1 1 ⁄2 inches clearance below housing to enable filter cartridge changes.

  3. (A) Using a pipe cutter or hacksaw, remove a 3-inch section of pipe from the 3/8-inch cold water line. Deburr ends of remaining pipe with a file. (B) Push a quickconnect elbow onto each end of remaining cold water line. Be sure to push elbow onto pipe until you hit a hard stop.

  4. Determine the lengths of tubing needed to connect the inlet and outlet sides of filter to the quick-connect fittings on the cold water line. Measure the tubing to the
    appropriate length to prevent kinking. Cut the tubing squarely. Assemble as shown in Figure 4, inserting tubing into appropriate inlet or outlet quick- connect fitting until
    it stops (flow arrow is on cap).
    NOTE: The tubing should be pushed into the fitting approximately 5/8-inch.

  5. (A) Slowly turn on the water supply to allow filter to fill with water, (B) and then press the red pressure-relief button on top of filter to release trapped air. Check for leaks before leaving installation.
    NOTE: A drinking water cartridge may contain carbon fines (very fine black powder). After installation, flush the cartridge for 30 minutes to remove the fines before  using the water. It is recommended that you run the tap at least 20 seconds prior to using water for drinking or cooking purposes.

  6. NOTE: Disconnecting the Tubing from the Quick-Connect Fittings. Routine maintenance and cartridge replacement will not require that you disconnect the tubing from the filter cap; however, tubing may be quickly and easily removed from the fittings if necessary. First, turn off the water supply to the filter and open faucet to
    release pressure. (A) Then, simply depress the gray collar around the inlet fitting of the housing (B) while pulling the tubing with your other hand. Repeat for the outlet
    fitting.

WHEN TO CHANGE THE CARTRIDGE

The life of the cartridge depends on the water volume used and the substances in the water. Normally the cartridge should be changed at intervals of 12 months or less. Replace the cartridge sooner if the water pressure at the faucet begins to drop noticeably or if you notice changes in the taste, color, or flow of the filtered water.
NOTE: Certain types of harmless bacteria will attack cellulose material. Cartridges containing cellulose may seem to disintegrate, produce a “sewer” or “rotten egg” odor, or form a black precipitate due to bacteria. If this happens, consult Pentair Customer Service for advice or select a different cartridge.

FILTER CARTRIDGE REPLACEMENT

A) (1) Turn off water supply to filter and place a tray or towel under the system to catch any water that spills during removal of the filter cartridge. (2) Depress red pressure-relief button, or open cold water faucet, then (3) unscrew and remove bottom of filter housing (See Figure A).
NOTE: If turning off water supply to filter will also turn off water supply to the rest of the home, be sure to fill a bucket of water first to allow you to clean housing after it has been removed.

B) (1) Locate and remove large O-ring. Wipe it clean of lubricant, and set aside. (2) Discard used filter cartridge. Rinse out bottom of filter housing and fill 1/3 full with water. Add 1 tablespoon of bleach and scrub bottom of housing with nonabrasive sponge or cloth. Rinse thoroughly. Lubricate O-ring with clean silicone grease. Insert O-ring in groove and press into place.
NOTE: This step is important to ensure a proper housing seal.  Make certain the O-ring is seated level in the groove.
Insert new filter cartridge in bottom of housing. Single gasket cartridges should be inserted in the housing with the gasket end facing the threads of the housing. Cartridges with tapered ends need to be installed with the open tapered end toward the threads of the housing. (See Figure B for correct installation).

C) (1) Screw bottom of housing onto the cap and handtighten. DO NOT OVER- TIGHTEN.
(2) Slowly turn on the water supply to allow filter to fill with water, then
(3) press the red pressure-relief button on top of filter to release trapped air. Check for leaks before leaving installation.
NOTE: A drinking water cartridge may contain carbon fines (very fine black powder). After installation, flush the cartridge for 5 minutes to remove the fines before using the water. It is recommended that you run the tap at least 20 seconds prior to using water for drinking or cooking purposes.

TROUBLESHOOTING

Leaks between cap and bottom of housing:

  1. Turn off water supply and press the red pressure-relief button. Remove bottom of housing.

  2. Clean O-ring and O-ring groove (located directly beneath threads of housing). Lubricate O-ring with silicone grease and replace securely into groove. Screw bottom of housing onto cap and hand-tighten. DO NOT OVER-TIGHTEN
    Leaks on inlet/outlet connections:

  3. Turn off water supply and turn on faucet to release pressure in pipes. Remove tubing from fitting (see Step 6 under Installation Instructions) and make sure end of
    tubing is cut squarely and free of burrs. Reinsert tubing into quick-connect fittings, making sure to push securely until tubing hits a hard stop.

  4. Turn on water supply. If leaks persist, or if there are other leaks on system, turn off water supply. Call Customer Service at 800.279.9404.

REPLACEMENT PARTS

1 144802 Pressure Relief Button Kit (not visible)
2 154371 Blue Cap
3  K4 O-ring
4 153219 Blue Housing Sump
5 OW30 Housing Wrench (not shown)
6 150580 Screw Kit (not shown)

For replacement parts call Customer Service at 800.279.9404.
IOWA Residents Only:
Store or seller’s name…………………..
Address:………………………………………
City:…………………………………………….
State:……………………………………………
Zip:………………………………………………
Seller’s Signature:………………………….
Date:……………………………………………..
Customer’s Signature:…………………….
Date:………………………………………………..
For Pentair  Product Warranties visit: Pentair.com/assets/residential- filtration-warranty

13845 BISHOPS DR., SUITE 200, BROOKFIELD, WI 53005 U.S.A.
P. 262.238.400
CUSTOMER SERVICE: 800.279.9404
tech-support@pentair.com
pentair.com
All indicated Pentair trademarks and logos are property of Pentair. Third party registered and
unregistered trademarks and logos are the property of their respective owners.
© 2022 Pentair. All rights reserved.
13845 Bishops Dr., Suite 200, Brookfield, WI 53005
Phone: 800.279.9404
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