5B Series
The Series 5B boiler offers the capabilities and features that make it ideal for commercial, institutional and high-rise residential heating applications. The rear outlet drafthood is specifically suited to installations involving low ceiling heights. The Burnham 5B is rated at 50 psi water or 15 psi steam. It has an 80% combustion efficiency and meets the requirements of ASHRAE 90.1 and the National Energy Policy Act of 1992. 320 to 1,560 MBH capacity.
Standard Equipment: - Deluxe insulated jacket
- Sections unassembled
- Heater opening cover plates
- Base-burner manifold assembly (5006 - 5014) and two sub-assemblies (5015 - 5026)
- Gas control assembly
- Rear outlet drafthood
- Boiler drain valve
8B Series
The Burnham Series 8B gas boiler has a vertical flue design which provides for maximum heat transfer. Cast-iron push nipples assure the integrity of the cast iron section assembly by expanding & contracting at the same rate and providing a water tight seal. The Series 5B boilers can be installed 1" apart making them ideally suited for modular applications. It has an 80% combustion efficiency and meets the requirements of ASHRAE 90.1 and the National Energy Policy Act of 1992. 212 to 475 MBH capacity.
Standard Equipment Deluxe insulated jacket- ASME safety relief valve
- Pressure temperature gauge
- Boiler drain valve
- 100% shut-off gas controls with dual valves
- High limit
- Base burner manifold assembly
- Blocked vent switch (805B)
- Flame roll-out switch (805B)
- Steel burners
- Junction box
- Transformer
- Draft hood
- Vent damper (805B)
5B & 8B Series Information and Documentation

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