Expansion vessel Baxi, 5668370

Expansion vessel 7 liters Baxi / VAXI (art. 165.116.001 / 5668370) — original membrane expansion vessel for Baxi and Westen gas boilers. Reliable 7 L expansion vessel compensates thermal expansion of heating medium in closed heating systems, maintaining stable pressure and protecting the boiler from water hammer. This is a key element for safety and longevity of your heating equipment. Why choose this vessel: Original Baxi spare part (manufactured by CIMM, Italy) — full compliance with factory parameters. Volume 7 liters — optimal for most Baxi wall-hung boilers. Durable steel body with high-quality membrane resistant to high temperatures and wear. Convenient connection — thread M14×1 (fine pitch). Compact dimensions: diameter ≈ 387 mm, thickness ≈ 70 mm. Main characteristics: Manufacturer: Baxi / VAXI (Italy) Volume: 7 liters Type: Membrane expansion vessel Baxi part number: 5668370 Diameter: 387 mm Connection: thread M14×1 (fine pitch) Material: high-quality steel + EPDM membrane Benefits of original expansion vessel: Stabilizes pressure in heating system Prevents leaks, pipe bursts and heat exchanger failure Significantly increases boiler service life Simple and quick replacement If your Baxi boiler frequently loses pressure, makes noises, safety valve opens or signs of leakage appear — expansion vessel replacement is likely needed. Order original Baxi 7 liter expansion vessel 5668370 (165.116.001) right now — ensure stable pressure and reliable operation of your heating system for years! SEO: Baxi 7 liter expansion vessel, expansion vessel 5668370, Westen expansion vessel, Baxi spare parts, expansion vessel Bax