XVers® Condensing Boilers, 856-3006

The all-new XVers vertical firetube modulating condensing stainless-steel boiler, in sizes from 855 to 3000 MBTU. The XVers provides eXtreme VERSatility for boiler applications, with turndowns up to 15: 1 and cutting-edge control technology. The installer and building owner enjoy broad installation flexibility, easy commissioning, optimum seasonal efficiency, and long-term reliability.




XVers® Condensing Boilers, 856-3006

BASIC PRODUCT DATA

BASIC DATA

Model NumberFull Input in
(BTUH)
 CAT IV 
Flue Dia.

H7-0856855,000
 6"
H7-1006
999,000
 6"
H7-12561,250,000
 8"
H7-15061,500,000
 8"
H7-17561,750,000
 8"
H7-2006
1,999,000
 8"
H7-25062,499,000
 10"
H7-30063,000,000
 10"

Features:
  • 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, constant ratio up to 15 to 1 turndown
  • 7 Inch HD capacitive color touchscreen display
  • Full safety diagnostics with history
  • Status display lights
  • Cascade up to 4 heaters - no external sequencer required
  • 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 models 2506 & 3006 comply with BAAQMD rule 9-7
  • Limited twenty-five-year thermal shock warranty
  • Limited ten-year heat exchanger warranty
  • B-32 Outdoor air sensor 

Options:
  • S-1 Low gas pressure switch, manual reset
  • S-2 High gas pressure switch, manual reset
  • C-6 Single-try ignition
  • D-11Centrotherm polypropylene outdoor vent kit
  • D-15 Vent termination, horizontal
  • D-32 PVC vent adapter kit
  • D-33 Centrotherm polypro vent adapter
  • Z-12 Condensate treatment kit