The product is a robust expansion vessel for domestic hot water systems, designed to stabilise pressure and protect the installation. The free‑standing design suits boiler rooms and technical spaces where a reliable hot water buffer is required.
The vessel operates safely at working pressures up to 10 bar, so it fits most residential hot water installations. A factory pre‑charge of 1.5 bar supports correct pressure settings for users wondering what pressure an expansion vessel for DHW should have. The working temperature range from -10°C to +100°C covers both cold start conditions and high‑temperature operation in modern heating systems.
The deep‑drawn steel tank forms a durable, deformation‑resistant body, while the replaceable EPDM membrane separates water from the air chamber and extends service life. When the membrane wears out, it can be replaced instead of changing the entire DHW expansion vessel, which reduces maintenance costs and downtime.
The blue RAL 5015 finish gives the expansion vessel a clear technical look and helps distinguish it from heating components. It is a solid choice for installers and investors who expect stable pressure control, long‑term reliability and easy servicing in domestic hot water systems.