The XVers vertical fire-tube modulating condensing stainless steel boiler, in sizes 855 to 3000 MBTU. The XVers boiler is now available with the HO2T system. It features built-in, automatic system protection that extends the life of your XVers by maintaining the optimum fuel to air ratio. The XVers provides extreme versatility for boiler applications, with cutting-edge control technology, broad installation flexibility, easy commissioning, optimum seasonal efficiency, and long-term reliability.
Features:
- HO2T System
- Stainless Steel Vertical Fire Tube Construction
- Up to 96.2% thermal efficiency at full rate; Up to 99% at part load
- 100% factory fire tested
- VERSA IC® modulating controller
- Full electronic modulation
- 7 Inch HD capacitive color touchscreen display
- Full safety diagnostics with history
- Status display lights
- Cascade control of up to 8 units, no external sequencer required.
- Cascade in parallel or sequential modulation modes.
- Flow sensor
- Flow switch
- Low water cut off
- Modbus RTU BMS port
- Maximum outlet water temperature: 200°F
- Minimum inlet water temperature: 40°F
- Models 856-2006 comply with SCAQMD rule 1146.2
- Limited twenty-five-year thermal shock warranty
- Limited ten-year heat exchanger warranty
- B-32 Outdoor air sensor
Options:
- C – 10 HO2T System
- S-1 Low gas pressure switch, manual reset
- S-2 High gas pressure switch, manual reset
- C-6 Single-try ignition
- D-11 Centrotherm polypropylene outdoor vent kit
- D-15 Vent termination, horizontal
- D-108 PVC vent adapter kit
- D-33 Centrotherm polypro vent adapter
- Z-12 Condensate treatment kit