A heavy‑duty five‑section cast‑iron oil boiler engineered for high heating demand, long service life, and stable hydronic performance. This packaged configuration includes a factory‑matched oil burner, pre‑set for proper flame geometry, draft characteristics, and combustion efficiency. The 7747019704 uses Buderus’ signature cast‑iron block design, known for its thermal stability, corrosion resistance, and quiet operation even at higher firing rates.
With its larger heat‑exchange surface and packaged burner assembly, this model provides reliable, high‑capacity heating for larger homes or light commercial applications while maintaining the clean, efficient combustion Buderus is known for.
Key Features
Five‑section cast‑iron heat exchanger delivering strong heat output, even heat distribution, and long‑term durability.
Factory‑installed oil burner tuned to the boiler’s firing rate for clean, consistent, and efficient combustion.
Packaged assembly ensures correct burner alignment and reduces installation time.
Quiet, low‑vibration operation supported by Buderus’ combustion chamber and block design.
Service‑friendly layout with accessible burner, controls, and piping connections for easier annual maintenance.
Reliable performance suitable for hydronic baseboard, radiators, or radiant heating systems in higher‑load applications.
Ideal Applications
A high‑capacity, cast‑iron oil boiler for larger homes or small commercial buildings needing a durable, factory‑matched, burner‑included heating solution with straightforward installation.
