https://www.kazanul.ro/cumpara/centrala-electrica-tenko-econom-18-kw-380-v-%E2%80%93-pana-la-180-m2-suprafata-451 2026-05-28 0.7 weekly https://www.kazanul.ro/cumpara/cazan-pe-combustibil-solid-altep-classic-plus-40-kw-452 2026-05-28 0.7 weekly