Original Grundfos replacement O-ring for TP and UPS series pumps. The seal is made of EPDM material, size D154×4 mm, and ensures reliable sealing of the pump hydraulic section during servicing or when replacing the mechanical seal. The use of an original Grundfos part guarantees correct operation, long service life, and preservation of the pump warranty.

Features and benefits

• Original Grundfos spare part – exact match to factory specification
• EPDM material – resistant to hot water, steam, and common additives used in heating systems
• Size D154×4 mm – intended for sealing the cover of the hydraulic section of TP and UPS pumps
• Easy installation during routine servicing or seal replacement
• Ensures long-term leak-tightness and maintenance-free operation of the heating or circulation system