Vaillant O Ring Set Of 10 98-1163 981163

SET OF 10 98-1163 981163

The Vaillant O-Ring Set (Part No. 98-1163 / 981163) is a genuine OEM sealing kit containing 10 high-quality O-rings designed for use in a range of Vaillant boilers and heating system components. These precision-engineered O-rings provide watertight and airtight seals for hydraulic joints, pipe fittings, and heat exchanger connections, ensuring leak-free operation and maintaining system pressure.

Manufactured from durable, heat- and chemical-resistant elastomer, each O-ring in this set maintains flexibility under high temperature and pressure conditions. Ideal for heating engineers and service professionals, this pack ensures reliable replacements during boiler maintenance and component servicing.

Key Features

• Genuine Vaillant O-ring set – Part No. 98-1163 / 981163

• Supplied as a set of 10 individual seals

• Provides leak-proof sealing for boiler and hydraulic connections

• Made from high-grade, heat-resistant rubber compound

• Ensures secure fitting under high pressure and temperature

• Prevents water or gas leaks in system joints and couplings

• OEM-quality parts – designed to Vaillant’s exact specifications

• Suitable for domestic and light commercial boilers

Compatibility

• Fits a variety of Vaillant ecoTEC, ecoMAX, TURBOmax, and VCW boilers

• Commonly used in manifold, pump housing, and hydraulic block assemblies

• Suitable for both heating and hot water circuit seals

When to Replace

• If leaks appear at connection joints or pipe unions

• When existing seals are worn, cracked, or flattened

• During boiler service, repair, or hydraulic part replacement

Technical Specifications

• Manufacturer: Vaillant

• Part Numbers: 98-1163 / 981163

• Quantity: Set of 10 O-rings

• Material: Heat- and oil-resistant elastomer

• Type: Hydraulic sealing ring

• Function: Prevents leakage at boiler and pipe connections

• Application: Domestic and commercial Vaillant heating systems