The Pentek LR-1500 under-sink water filter system significantly reduces lead in your drinking water.
Never Runs Out
Need a replacement cartridge? This system uses the
The Pentek LR-1500 is a high-flow, inline under-sink water filter system designed to reduce lead, chlorine taste and odor, and cysts such as Cryptosporidium and Giardia. It installs on the cold water line and delivers filtered water at full flow, so no separate drinking water faucet is required. The system uses a 0.5 micron LR-FB10 Fibredyne carbon block cartridge and John Guest 3/8 inch quick-connect fittings for a compact, space-saving installation.
Model number: LR-1500
Part number: 160406
UPC: 051678020722
Gallon capacity: 1,500 gallons
Flow rate: 2.5 GPM
Media type: Fibredyne carbon block cartridge (LR-FB10), 0.5 micron rating
Verified certification language: NSF/ANSI Standard 42 and 53 Certified
Certified to reduce cysts such as Cryptosporidium and Giardia by mechanical means
What is the Pentek LR-1500 Under-Sink Water Filter System Used For?
- Lead reduction at the kitchen tap without a separate faucet
- Chlorine taste and odor reduction for drinking, cooking, coffee, tea, and ice
- Cyst reduction (Cryptosporidium and Giardia) for added drinking water confidence
- Space-saving under-sink filtration where a high-flow inline system is preferred
Compatibility checks
Before ordering or installing, confirm:
- Cold water line installation location under the sink
- Inlet and outlet tubing size: 3/8-inch connections
- Available space to mount the housing and access the pressure release button
- Minimum clearance below the housing for cartridge replacement (allow clearance to drop the sump and cartridge)
- Water conditions are within system limits:
- Temperature: 40 to 100°F
- Pressure: 40 to 125 psi
What’s Included in the Pentek LR-1500 Under-Sink Water Filter System
- Filter system housing with integrated mounting bracket and pressure release button
- (1) LR-FB10 drop-in filter cartridge installed/ready for use
- Installation hardware kit for 3/8-inch connections (includes tubing and connectors used to tie into the cold water line)
- Sump wrench
- Mounting screws
- Silicone lubricant packet
- Manual
Replacement cartridge
- Compatible replacement cartridge: Pentek LR-FB10
Installation Guidance
Install difficulty: moderate (typical under-sink install with tubing connections)
High-level installation steps
- Turn off the cold water supply and relieve pressure at the faucet.
- Mount the system under the sink using the integrated mounting bracket.
- Install the supplied connectors at the cold water supply valve and the cold water faucet connection.
- Cut tubing cleanly and connect the inlet and outlet lines using the 3/8 inch quick-connect ports.
- Turn the water on slowly, check for leaks, and flush the filter for initial startup.
Replacement Triggers
Replace the cartridge when:
- 1,500 gallons of filtered water have been used
- Filter life reaches approximately 1 year (typical use)
- You notice a change in taste, odor, or filtered water flow
Maintenance Schedule
- Flush on startup and after cartridge replacement until water runs clear
- Replace the LR-FB10 cartridge every 6 to 12 months, or sooner if taste, odor, or flow changes occur
- Inspect the housing O-ring during cartridge changes and keep it clean and properly seated
- Keep fittings dry and recheck for leaks after installation and after each cartridge change
Specifications: Pentek LR-1500 Under-Sink Water Filter System
- Micron rating: 0.5 micron
- Lead reduction: 99%
- Cyst reduction: 99.95%
- Chlorine reduction: 97%
- Flow rate: 2.5 GPM
- Capacity: 1,500 gallons
- Inlet/outlet connections: 3/8 inch
- Temperature range: 40 to 100°F
- Pressure range: 40 to 125 psi
- Housing dimensions: 4.88 in x 13 in x 5.25 in
- Housing size: 10 inch x 2.5-inch standard
- Material composition: Polypropylene (PP)
Q: Does the LR-1500 require a separate drinking water faucet?
A: No. It is a full-flow inline system designed to filter water through the existing cold-water faucet.
Q: What does the Pentek LR-1500 under-sink water filter system reduce?
A: It reduces lead, chlorine taste and odor, and cysts such as Cryptosporidium and Giardia.
Q: What replacement cartridge does the LR-1500 use?
A: The LR-1500 uses the Pentek LR-FB10 replacement cartridge.
Q: How often should I replace the cartridge?
A: Replace at 1,500 gallons, about once per year for typical use, or sooner if taste, odor, or flow changes occur.
Q: What water pressure and temperature does it require?
A: Pressure range is 40 to 125 psi, and temperature range is 40 to 100°F.
Q: Will the Pentek LR-1500 system help with the low flow at the kitchen faucet?
A: If the cartridge is loaded or at the end of its service life, replacing it can restore filtered flow. If low flow is caused by plumbing restrictions or the faucet itself, a cartridge replacement may not solve the problem.
Q: Is the Pentek LR-1500 under-sink water filter system suitable for all water sources?
A: It is designed for potable water supplies. If your water is of unknown microbiological quality, use adequate disinfection before or after the system.
Get cleaner, safer drinking water at the kitchen tap. Install the Pentek LR-1500 lead reduction under sink system for full-flow filtration with no separate faucet required, then replace the LR-FB10 cartridge on schedule to keep performance consistent.
