Pressure Spring, Pfeiffer, UNO, DUO, Part# 490052 – vac stellar

this Pressure Spring (Part #490052). This spring applies the necessary force to maintain proper pressure inside your pump . It is a direct replacement made for UNO35, UNO65, DUO35, DUO65, and related models . This spring is made from high-quality materials. It needs to be strong. Inside your pump, it faces heat, oil, and constant movement. Good materials help it resist rust and stay strong. It keeps its shape and strength for a long time.

This spring is a direct replacement part. It fits perfectly without any adjustments. If you are doing a pump overhaul or repair, swapping out the old spring for this new one is a simple step.

Choose this pressure spring for a reliable fix. It is a small part that plays a big role in your pump’s performance.