R172009-Style Cap O-Ring Compatible with Pentair Pool and Spa Feeder Systems

R172009-Style Cap O-Ring Replacement

R172009 Cap O-Ring:
The R172009 Cap O-Ring Replacement is designed for Pentair pool and spa feeder systems, providing a reliable seal between the feeder cap and the feeder body. This O-ring maintains a leak-free connection to support proper water flow, prevent chemical leaks, and ensure the feeder operates efficiently.

Alternate Parts:
AEQO283, 154005, 172009, 33235, 343, APCO2449, 35505-1332, 35505-1425, 355051332, 355051425, 722R0840030, O-2114, R172009, O-283, O-283V, O283, SPP-3430, 90-423-5343, ALDO-283, SPG-601-1144
(Alternate part numbers are listed for cross-reference only. All trademarks and part numbers belong to their respective owners.)

Compatibility:
Fits Pentair standard module and high square-foot cartridge filters.
Also compatible with Pentair Rainbow® Automatic Chlorine/Bromine Feeder models:
300, 302, 300-29X, 320, 322, and Rainbow feeder extensions.

Ensures Proper Functionality:
This O-ring helps maintain system pressure, prevents water or chemical leakage, and ensures chemicals are dispensed correctly—essential for maintaining balanced pool and spa water chemistry.

Features:
● Easy to replace and cost-effective
● Prevents water and chemical leaks
● Durable rubber construction for longevity
● Cap O-Ring for pool/spa feeder and filter systems
● Supports proper pressure and chemical delivery

Specification:
● SKU: BF-172009
● Part Number: R172009
● Type: Cap O-Ring Replacement
● Color: Black

Dimension:
● Inner Diameter: 3.72"
● Outer Diameter: 4.14"
● Thickness: 0.21"

Disclaimer:
This is an aftermarket replacement part and is not an OEM product. All brand names, model numbers, and trademarks are used solely for compatibility and identification purposes.