O-ring SCHAERER Spare Parts 072795 3370072795

This O-ring provides a secure seal between metal components in fluid systems, preventing leaks of water, steam, or air. It fits into a groove and is compressed by adjoining parts, maintaining elasticity under heat and pressure while resisting cleaning chemicals. A damaged seal can cause pressure loss, dripping, or inadequate heating for espresso preparation.

To replace, remove the old ring, clean the groove, and position the new O-ring before reassembling the joint. A small tool may help lift the worn seal, but no additional equipment is necessary. After installation, test for leaks by running water through the system.

Manufactured from NBR (nitrile butadiene rubber) with a hardness of 70 Shore A, this black ring meets food-contact standards for commercial use. The 15 mm outer diameter and 3.5 mm cross-section match specific SCHAERER equipment where grooves are cut to these measurements. The 70 Shore A hardness ensures flexibility while resisting permanent deformation from repeated heating and cooling.

Before fitting, wipe the ring with a damp cloth. Avoid solvents or abrasives, as these can degrade the rubber. Replace the part if it appears hardened, cracked, or flattened.

This component directly replaces the original SCHAERER O-ring in matching size and material, suitable for the equipment listed under its article number.