12977 O-Ring for Fleck / 17958 O-Ring for RainSoft – 2 Pack

Description

12977 O-Ring for Fleck / 17958 O-Ring for RainSoft / FDA EPDM Material

Includes: (Quantity of 2)

Replacement O-Rings:
– Part # V3163 for Fleck
– Part # 17958 for RainSoft

Designed For:

• Fleck: Valves and 3900, 5600
• RainSoft: Gold, EC4, RFC, F8c Series

Key Features:

• FDA/NSF approved EPDM material O-rings meet food and drinking water contact standards.
• Direct fit aftermarket replacement.
• Made in the USA.

Note: User must install according to manufacturer specifications. Improper installation can result in leakage.

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Technical & Application Details

This O-ring pair provides reliable sealing for Fleck and RainSoft water systems, supporting critical valve and resin tank interfaces. Engineered to withstand the demands of residential and commercial softening systems, these O-rings prevent leaks and maintain proper flow control.

System Compatibility & Fitment:

• Fleck: suitable for valves and 3900, 5600 series systems
• RainSoft: compatible with Gold, EC4, RFC, F8c series water softeners
• Installed at critical sealing points where pressurized water could otherwise bypass valves

Material & Performance:

• FDA/NSF approved EPDM compound provides resistance to chlorine, ozone, and temperature variations
• Maintains elasticity and compression over multiple service cycles
• Direct fit aftermarket replacement designed to meet or exceed OEM dimensional tolerances

Maintenance & Installation:

• Inspect valve surfaces and grooves for scale, corrosion, or debris prior to installation
• Replace during routine service or whenever leaks are observed to maintain system efficiency
• Store spare O-rings in a cool, dry environment to preserve material properties

Manufactured in the USA for long-term durability. These O-rings are a reliable solution for Fleck and RainSoft systems, supporting optimal water softener performance and extended system life.