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PureT (HOR-02) Big Blue Housing O-Ring - Compatible with Pentek 151122 - 357 Buna-N O-Ring

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PureT (HOR-02) Big Blue Housing O-Ring - Compatible with Pentek 151122 - 357 Buna-N O-Ring

The PureT HOR-02 Big Blue Housing O-Ring is a precision-molded 357 Buna-N seal designed to maintain leak-free operation in 10" and 20" Big Blue filter housings. This direct replacement for Pentek 151122 features 70A durometer Buna-N construction with 5-1/2" ID and 5-3/4" OD dimensions for reliable sealing in standard Big Blue sump applications.
TECHNICAL DETAILS
O-Ring Specifications
Model Number PureT HOR-02
Material Buna-N (Nitrile Rubber)
Hardness 70A Durometer
Cross Section 3/16"
Inside Diameter 5-1/2"
Outside Diameter 5-3/4"
O-Ring Size 357
COMPATIBILITY & APPLICATIONS
Compatible Housing Models

Engineered for PureT 907 and 908 series Big Blue filter housings. Direct replacement for Pentek 151122 o-rings used in most standard 10" and 20" Big Blue housings from major manufacturers. The 70A Buna-N formulation provides excellent chemical resistance and compression set properties for municipal water filtration applications with temperatures up to 180°F. This 357 size o-ring is the industry standard seal for Big Blue sump-to-cap connections in residential and light commercial installations.

💧 Replace your Big Blue housing o-ring every 2-3 filter changes or annually to prevent leaks. Keep the o-ring groove clean and apply a thin layer of silicone grease during installation for optimal seal life.
The PureT HOR-02 Big Blue Housing O-Ring is a precision-molded 357 Buna-N seal designed to maintain leak-free operation in 10" and 20" Big Blue filter housings. This direct replacement for Pentek 151122 features 70A durometer Buna-N construction with 5-1/2" ID and 5-3/4" OD dimensions for reliable sealing in standard Big Blue sump applications.
TECHNICAL DETAILS
O-Ring Specifications
Model Number PureT HOR-02
Material Buna-N (Nitrile Rubber)
Hardness 70A Durometer
Cross Section 3/16"
Inside Diameter 5-1/2"
Outside Diameter 5-3/4"
O-Ring Size 357
COMPATIBILITY & APPLICATIONS
Compatible Housing Models

Engineered for PureT 907 and 908 series Big Blue filter housings. Direct replacement for Pentek 151122 o-rings used in most standard 10" and 20" Big Blue housings from major manufacturers. The 70A Buna-N formulation provides excellent chemical resistance and compression set properties for municipal water filtration applications with temperatures up to 180°F. This 357 size o-ring is the industry standard seal for Big Blue sump-to-cap connections in residential and light commercial installations.

💧 Replace your Big Blue housing o-ring every 2-3 filter changes or annually to prevent leaks. Keep the o-ring groove clean and apply a thin layer of silicone grease during installation for optimal seal life.
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From $4.99
PureT (HOR-02) Big Blue Housing O-Ring - Compatible with Pentek 151122 - 357 Buna-N O-Ring
$4.99

Description

The PureT HOR-02 Big Blue Housing O-Ring is a precision-molded 357 Buna-N seal designed to maintain leak-free operation in 10" and 20" Big Blue filter housings. This direct replacement for Pentek 151122 features 70A durometer Buna-N construction with 5-1/2" ID and 5-3/4" OD dimensions for reliable sealing in standard Big Blue sump applications.
TECHNICAL DETAILS
O-Ring Specifications
Model Number PureT HOR-02
Material Buna-N (Nitrile Rubber)
Hardness 70A Durometer
Cross Section 3/16"
Inside Diameter 5-1/2"
Outside Diameter 5-3/4"
O-Ring Size 357
COMPATIBILITY & APPLICATIONS
Compatible Housing Models

Engineered for PureT 907 and 908 series Big Blue filter housings. Direct replacement for Pentek 151122 o-rings used in most standard 10" and 20" Big Blue housings from major manufacturers. The 70A Buna-N formulation provides excellent chemical resistance and compression set properties for municipal water filtration applications with temperatures up to 180°F. This 357 size o-ring is the industry standard seal for Big Blue sump-to-cap connections in residential and light commercial installations.

💧 Replace your Big Blue housing o-ring every 2-3 filter changes or annually to prevent leaks. Keep the o-ring groove clean and apply a thin layer of silicone grease during installation for optimal seal life.
PureT (HOR-02) Big Blue Housing O-Ring - Compatible with Pentek 151122 - 357 Buna-N O-Ring | Isopure Water