Fleck (12281) O-Ring, Top of Tank; 3-1/8" ID, 3-1/2" OD, 3/16" Width
Fleck 12281 O-Ring Specifications
| Part Number | Fleck 12281 |
| AS568 Standard Size | AS568-338 |
| Inner Diameter (ID) | 3-1/8 inch |
| Outer Diameter (OD) | 3-1/2 inch |
| Width (Cross Section) | 3/16 inch |
| Installation Location | Top of tank, between control valve and mineral tank opening |
| Material Type | Buna-N rubber (water-resistant elastomer) |
What Systems Use This O-Ring
The Fleck 12281 O-ring is designed for use with Fleck 5600 and other Fleck control valve models that mount to standard 3-inch tank openings. This is a wear-prone seal that should be replaced whenever you remove the control valve for service, maintenance, or upgrades. Compatible with most residential and commercial water softener tanks using Fleck valve platforms. Always lubricate with silicone grease before installation to ensure proper sealing and prevent pinching during assembly.
Fleck 12281 O-Ring Specifications
| Part Number | Fleck 12281 |
| AS568 Standard Size | AS568-338 |
| Inner Diameter (ID) | 3-1/8 inch |
| Outer Diameter (OD) | 3-1/2 inch |
| Width (Cross Section) | 3/16 inch |
| Installation Location | Top of tank, between control valve and mineral tank opening |
| Material Type | Buna-N rubber (water-resistant elastomer) |
What Systems Use This O-Ring
The Fleck 12281 O-ring is designed for use with Fleck 5600 and other Fleck control valve models that mount to standard 3-inch tank openings. This is a wear-prone seal that should be replaced whenever you remove the control valve for service, maintenance, or upgrades. Compatible with most residential and commercial water softener tanks using Fleck valve platforms. Always lubricate with silicone grease before installation to ensure proper sealing and prevent pinching during assembly.
Description
Fleck 12281 O-Ring Specifications
| Part Number | Fleck 12281 |
| AS568 Standard Size | AS568-338 |
| Inner Diameter (ID) | 3-1/8 inch |
| Outer Diameter (OD) | 3-1/2 inch |
| Width (Cross Section) | 3/16 inch |
| Installation Location | Top of tank, between control valve and mineral tank opening |
| Material Type | Buna-N rubber (water-resistant elastomer) |
What Systems Use This O-Ring
The Fleck 12281 O-ring is designed for use with Fleck 5600 and other Fleck control valve models that mount to standard 3-inch tank openings. This is a wear-prone seal that should be replaced whenever you remove the control valve for service, maintenance, or upgrades. Compatible with most residential and commercial water softener tanks using Fleck valve platforms. Always lubricate with silicone grease before installation to ensure proper sealing and prevent pinching during assembly.
