Black NBR 70 SH O-ring 3146OR 2.62 x 39.34
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The black NBR 70 Sh O-ring (model 3146OR) is the original sealing gasket designed for the 3146 series magnetic dirt separator filter installed beneath the boiler. Made of NBR nitrile rubber with a hardness of 70 Shore, it provides excellent hydraulic sealing and high resistance to oils, greases, and the stresses typical of heating systems. Replacing the O-ring is a simple but essential procedure for preventing seepage and water leaks, ensuring the correct operation of the filter and protecting the boiler. Its precise dimensions ensure a perfect fit in the designated seat, preventing losses and maintaining system pressure. An essential, economical, and reliable spare part that every installer or maintenance technician should have available during periodic maintenance work to restore the device's optimal seal and extend its service life.
Technical features:
- Material: NBR nitrile rubber
- Hardness: 70 Shore A
- Colour: black
- Cross-section x diameter: 2.62 x 39.34 mm
- Sealing gasket for 3146 series magnetic dirt separator filter installed beneath the boiler