Spec Sheet

For Residential and Light Commercial Applications
ES-WQ-PWCB
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Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
Series PWCB
Premium Carbon Block
Filter Cartridges
Flow Rates: Up to 4 gpm (15 lpm)
Thick wall carbon construction for superior performance
Top-of-the-line coconut shell Carbon Block filter cartridge for
chlorine taste, odor and sediment reduction.
Features
• Superior chlorine reduction
• Low-pressure drop
• Will not channel
• Cost savings
• 100% coconut shell carbon
• FDA grade components and materials
• Solid Block Activated Carbon for long life
Temperature
Operating temperature: 40°F to 165°F (4.4°C to 73.8°C)
* Not performance tested or certified by NSF.
MODEL NO.
TYPE OD LENGTH
MICRON
RATING
CHLORINE REDUCTION* NO. / CASE
in. mm in. mm
PWCB5P** Thick Wall 2
1
⁄2" 64 5" 127 5 nominal >3,000 Gal @ 1 gpm 6
PWCB10P Thick Wall 2
7
⁄8" 73 9
3
⁄4" 248 5 nominal >6,000 Gal @ 1 gpm 12
PWCB20P Thick Wall 2
7
⁄8" 73 20" 508 5 nominal >12,000 Gal @ 2 gpm 6
PWCB10FFP Thick Wall 4
5
⁄8" 117 9
3
⁄4" 248 5 nominal >20,000 Gal @ 2 gpm 4
PWCB20FFP Thick Wall 4
5
⁄8" 117 20" 508 5 nominal >40,000 Gal @ 4 gpm 4
*Estimated capacity using 2ppm free chlorine with greater than 90% reduction.
**5" Carbon Blocks are sold as a 2-Packs.
Dimensions
PWCB
Recommended Flow Rate
MODEL NO. OD LENGTH FLOW RATE
in. mm in. mm gpm lpm
PWCB5P** 2
1
⁄2" 64 5" 127 1 3.7
PWCB10P 2
1
⁄2" 64 9
3
⁄4" 248 1 3.7
PWCB20P 2
1
⁄2" 64 20" 508 2 7.6
PWCB10FFP 4
1
⁄2" 114 9
3
⁄4" 248 4 15.1
PWCB20FFP 4
1
⁄2" 114 20" 508 8 30.3