With inputs ranging from 3003 to 5443 MBH, the Buderus SB745WS Series has an increased maximum operating pressure to 80 psi, and a 10 year non-prorated limited warranty. A full three-pass flue design extracts latent heat and maximizes overall efficiency.
Advantages at a Glance
- Ultra high efficiency - up to 98%
- Multi-fuel options available: NG, LP, ultra low sulfur oil and heating oil type 2
- Pressure rating up to 80 psi
- Full-swing openings of the main combustion chamber and fire tube heating surface assure easy inspection and service
Technology
- No restriction on return temperature and flow rates
- High mass design for new construction and retrofit applications
- Titanium infused stainless steel fire tubes for long life
- Dual Returns provide unique design opportunities
- 2,738 to 5,293 MBH output
- Top water connections for easy access and serviceability
