The Burnham PV905WNJ Commercial Low-Pressure Boiler is a heavy-duty cast-iron heating system built for reliable performance in commercial and institutional buildings. Designed for low-pressure operation, it delivers consistent, efficient heat for large spaces like schools, apartments, and warehouses. Known for its durability and long service life, this boiler is built to handle demanding, continuous-duty applications with ease.
Key Specifications
- Series: V9 / V905 Commercial Cast Iron Boiler
- Fuel Type: Natural gas or oil (burner-dependent configuration)
- Application: Low-pressure steam or hot water
- Boiler Type: Cast iron sectional, wet-base design
- Sections: 5-section boiler (V905 size class)
- Input Capacity: ~808 MBH (gas, typical V905A rating)
- Gross Output: ~646 MBH
- Boiler Horsepower: ~19.3 HP
- Thermal Efficiency: ~80% (typical non-condensing cast iron)
- Pressure Type: Low-pressure (commercial steam/hydronic systems)
- Design: Knockdown sectional assembly (field assembled)
- Draft Type: Forced draft (burner package dependent)
- Construction: American-made cast iron heat exchanger with section nipples
- Typical Use: Schools, apartment buildings, commercial buildings, municipal facilities





















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