This high-quality replacement membrane is designed for the Elbi AC 5–8 Ltr expansion/accumulator vessels and diaphragm pressure tanks. Manufactured from durable EPDM rubber, the membrane provides complete separation of water and air inside the tank, helping prevent corrosion, extend tank life, and maintain consistent water pressure in domestic water systems and garden irrigation setups.

Key Features

• Compatible model: AC 5-8 Ltr membrane replacement for Elbi AC (and AF) series tanks.
• Material: Food-grade EPDM diaphragm for sanitary use and long service life.
• Application: Domestic water pressure tanks, small booster systems, water hammer damping and irrigation systems.
• Easy installation: Interchangeable diaphragm design for quick replacement.
• Note: Intended for Elbi vessels; not compatible with some other brands (check model fit before ordering).

Ideal for homeowners, service technicians, and irrigation professionals seeking a reliable membrane replacement to restore pump performance and stabilize pressure cycles. The membrane restores the tank’s air/water separation, reduces pump short-cycling, and improves overall system efficiency.

Why Choose This Membrane

Using an OEM-compatible Elbi EPDM membrane helps maintain the original specifications of the pressure vessel, ensuring correct expansion volume and reliable operation. Common SEO-relevant terms included for discoverability: replacement membrane, Elbi AC membrane, 8 Ltr diaphragm, pressure tank membrane, EPDM diaphragm, expansion vessel membrane, pressure vessel replacement, domestic water system spare part, SKU 022-532.