- Size Range: 1000-2000 MBTU
- Up to 96% efficiency at full fire. Condensing. Cat IV venting required.
- Cast-iron headers and pumps with copper finned tube primary heat exchanger. Brass headers and cupro-nickel tubes available as options.
- Electronic modulating gas valve and burner. 7:1 turndown
- Small footprint, less than 11 square feet
- On-board diagnostic center, real English, no codes
- All models indoor/outdoor certified
- Meets all Low NOx regulations
- Primary-secondary piping required
- 0-10 VDC Remote set point BMS Interface
- Available for natural gas or propane
- Built-in cascade function for up to 4 boilers
- Modbus® RTU port (RS485)
- VERSA IC® control package with built-in outdoor reset function
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