The ELBI Los Membraan NC24 is a premium replacement diaphragm designed for 24‑liter membrane autoclaves and expansion vessels used in domestic water systems and heating installations. Engineered for reliable pressure separation and long service life, this spare part fits Elbi 24L membrane tanks (AC/AF series) and is ideal for technicians, plumbers, and DIY installers seeking an OEM-quality replacement membrane. /p>

Key features

• Compatible with Elbi 24L membrane autoclaves / expansion tanks (AC‑25 / similar models).
• Made from durable rubber compound (EPDM/Butyl style materials commonly used by ELBI for diaphragms) for excellent resistance to wear, pressure cycling and potable water systems.
• Restores correct bladder separation and prevents waterlogging — improves system drawdown and pressure stability.
• Quick swap installation: designed as a direct replacement membrane for fast service and minimal downtime.
• OEM fit and specifications to maintain CE/domestic water compliance when servicing Elbi tanks.

Why choose ELBI NC24 replacement membrane

Replacing a worn or damaged diaphragm with the ELBI NC24 (SKU 022‑535) restores system efficiency, reduces pump cycling and extends the life of expansion vessels and autoclaves. This membrane is targeted at household and light commercial heating and domestic water applications — offering reliable performance, corrosion protection when combined with Elbi’s proven tank linings, and compatibility with standard pressure settings used in 24L Elbi units. Keywords: replacement membrane, expansion vessel membrane, diaphragm replacement, Elbi spare parts, EPDM membrane, 24L autoclave, domestic water system.

Installation notes

Before installation, isolate the system and depressurize the tank. Verify tank model and size (24L recommended) and follow manufacturer instructions for membrane replacement. If unsure of compatibility, check the tank model number or consult Elbi documentation or authorised service centers.