Spec Sheet

Distributed exclusively by Ferguson 1 ©2020 Ferguson Enterprises, LLC 0920 2115985
Product Features
• Prevent scale buildup and extend the life of your water heater.
• Save on extensive, costly repairs from damage due to scale buildup.
• Promote formation of inactive scale crystals that flow through the water
heater to stop them from sticking to the heat exchanger.
• Filter does not add chemicals to the water and does not require electricity.
Warranty
The Inline Descaling System is warranted to be free of defects in materials and
workmanship for two years from the date of original shipment.
The Inline Descaling System is warranted for performance for a period of two years
from the date of original installation when installed and operated in accordance with
the instructions in the corresponding Installation and Operation Manual.
Product Specifications
SKU
Connection
Size
Maximum
Flow
Minimum
Pressure
Maximum
Pressure
Minimum
Temperature
Maximum
Temperature
Cold Water
Line*
Sump
Lengths
Replacement
Cartridge
PSWFDSAS20 1" NPT 7 gpm 20 psi 100 psi 40°F 100°F Yes 20" PSWFDSRCAS20
Inline Descaling System
21-1/4"
5-5/8"
Specifications
*Use on cold water line only. Will not filter hot water.